NIGHT OPERATIONS
When looking at an object or area at night make a figure eight by moving your eyes in that direction. Your peripheral picks up more than your retinas at night. By moving your eyes in a figure eight you scan the target so fast that you mind can remember it all and you can somewhat decide if you saw something or not. Its better than just looking straight at the object or area.
When patrolling at night you must keep an interval distance of no more than 8-9 meters. On a moonless night no more than 5-6.This keeps the squad separated enough so that if an ambush, mine, or grenade was thrown then they would not all be killed at once. You donât want to be so wide apart that if contact is made you turn and hit your man just because you saw movement and you thought he was somewhere else.âCatâs eyesâwork very well. They are reflective glow strips that go on the back of a soldiers kevlar or cap. You can see these strips for quite a distance depending on light source. You can pic them up at any military surplus store. Kem-Lights are also good for night operations but give off a lot of light. They now make tiny kem-lights to replace the catâs eyeâs. The kem-lights go out and the catâs eyeâs can be sewn or glued to objects so your best bet is to go with the catâs eyeâs
At night sound travels farther and louder. Most think its due to the fact that traffic is non-existent, people are asleep, and animals are asleep for the most part. If patrolling at night hand signals and good training is a must to be affective. Simple hand signs go a long way for you in terms of stealth and coordination. Some military missions are conducted with out ANY voice commands at all. In this day and age the elite are using throat mics. These are awesome! The good ones only transmit your voice and nothing else.
If patrolling and you think you are spotted or you hear a noise âSTOPâ. Donât move. Most people are seen because they are moving. Your body gives of a larger and darker form at night when you are silhouetted against thin branches and shrubs. If you know you have been seen, and contact is imminent you must act first. This is where good team coordination comes in. Your team must have trained prior for just this problem. You only have 3 choices:
1. Attack
2. Run
3. Surrender.
If you decide to attack then a charge is your best bet. I know it sounds stupid but a moving target is harder to hit than a stationary target. The enemy wont expect it, and you can out run a set explosive that was pointing in the target area you were just in.Not to mention that you are probably standing right where someone has been watching and waiting just for you.If you do decide to John Wayne it then watch your lanes of fire and check your targets. Your partners could have advanced ahead of you so dont throw ordinance. You could hit them by mistake. If anyone does throw ordinance it will be the team leader more than likely.
If you decide to run then your best chance of regrouping is having a set âRally Pointâ. Start doing an assessment of men and equipment. When on a patrol the pointman or the team leader will assign a rally point every mile or so. This would be different for paintball players since the battlefield is smaller. But it helps to have a pre-designated point to regroup too if you are ambushed and even if you are running a raid or getting into a hasty ambush(get into that later).
Surrendering is not an option but since I gave tips on the other I will give this advice for those that surrender. In paintball surrendering is a mental letdown for anyone who has to do it. In the real world itâs a long mental and physical road for ANYONE.I was taught that if caught be respectful as long as you have to. Be the GREY man. That means donât stand out. DONâT volunteer info or volunteer to work all the time. DO what everyone else does. Basically make it so that you DONâT stand out in front of your captors. Remember everything thatâs going on around you as much as possible. It will help if you decide to escape. Thereâs A LOT more to this but Im not going to go into it.
For those that smoke. A person smoking a cigarette at night gives off a 5 foot radius(at least) of light when you are looking at them through night vision. In the army we would watch groups of men huddled around each other smoking and read their rank, name, badges and unit patches. To help give you a picture of just how much you can see using NVâs; you can see their eyes as if you were seeing them in the daylight. I quit smoking while in the army just because of that fact.
Light discipline is a must to be stealthy. Using a red lens in a flashlight cuts down dramatically in giving off light plus it doesnât kill your night vision. It takes your eyes 20-30 minutes to fully adjust to seeing in the dark. When in a conflict at night itâs a good tip to keep one eye closed .If an explosion goes off and you have both eyes open then you have lost your vision. But if you had one closed and you open it you have a better chance of seeing. NOWâŚ.that doesnât mean you will be able to see very well but itâs better than nothing. On a side note flash bangs that are used have enough candle power to blind you even with your eyes closed so donât think you will hold the cops off just cause you closed you eyes.
Moving at night is tricky. When moving use shadows and depressions to your advantage. When patrolling at night you must stop and listen every few minutes or so. This helps you know if any sounds are different than the normal. This also helps in catching someone off guard if they have been following you. When moving do NOT go over the tops of hills ridges and walls. Your silhouette will give you away. If you must cross over a wall at night stay flat with the wall and hug the object. Do NOT cross over the tops of hills and ridges. Take that extra time to go around.
Im not going to go into night land nav just because I would need pictures and diagrams and not going to go into all that. My biggest tip for traveling in the dark is simply donât do it if you donât have to. Its very easy to get lost; even in your own backyard woods. DONâT use a constellation as a guide. They actually do move. I know your saying âI knew that alreadyâ but sadly Iâve heard it told by a grown man. The north star is your best tool for a guide if you donât have a compass. If you are lost and need a way out then your best bet is to find a river or a stream and follow it till you hit civilization.
AMBUSH!
A trap in which concealed persons lie in wait to attack by surprise on a moving or temporarily halted target. It enables a small unit to set up and destroy a larger and better armed unit.
There are 2 types of ambushes:
1. Hasty ambush
2. Deliberate ambush
The hasty ambush is set when imminent contact will be made. This is primarily used when you know the enemy is after you or you have seen them approaching before they saw you and you have enough time to set one up. If you donât have time you must make a decision on whether to stay or run. If you stay you must have the advantage position wise and weapon wise. Otherwise run and find a position you can defend.
The deliberate ambush is a planned action against a target. This is primarily used on well travel routes or areas in which you have intel or have watched the target for days (months even)and have a good idea of the area. To have a successful ambush you must have good concealment. Pre-planned firing lanes are a must. This is where anti personnel ordinance is at its best. A well placed claymore can eliminate an entire platoon.
Your men must wait until the person assigned to start the ambush fires his weapon or sets off any ordinance. Hit your target and then go to your next pre-assigned target. Once the ambush has gone off (successfully I hope) you will send your security teams to close off lanes of travel, another security team will check weapons, documents, and search for POWâs. In some paintball scenarioâs eliminating a certain person requires that person to hand over an object or info. Its always good to have a security element that isnât part of the ambush line. These guys watch the ambushâs teams backs. They can also come forward to help with firepower if the ambush has gone wrong. IF the ambush has gone wrong once again go to your pre-determined rally point.
There are 2 main types of ambush formationsâŚ.the Line formation and the L formation. The line formation is good for assaults after the ambush has been started. The L formation is good for having interlocking fire in which the enemy is hit by 2 different directions. Fire discipline is a must for the L formation.
The best formation in setting a good ambush is whatâs best for your team and the terrain and situation. Concealment, firepower and fire discipline are the keys to eliminating your enemy before they even know what happened.
The most important rule in an ambush is this; The moment the ambush is set it is a natural thing for an untrained soldier to completely unload every round all at once into the kill zone. This is a big mistake that can cost you and your team. Let the heavy gunner do his thing, let the m-203 do its thing and just hit your target and stay in your lanes of fire.
RECON
Reconnaissance; A preliminary survey to gain information. Recon is what makes or breaks a military. Without info youâre blind. In todayâs world we now have drones, planes and leg units watching targets all over the world gathering information and reporting it back to command.
When gathering intel on a unit the best way to get every bit of important info is to do what I was taught.
Its called a SALUTE report:
Size â How many do you see.
Activity â What are they doing?
Location â Where on the map are they?
Unit â Who are they? What team?
Time â When did you see this?
Equipment â What types of weapons are they carrying?
âââââââ
If you use that simple plan when gathering info to give to your commander then you will have every bit of info they need to make decisions. On a side note one thing they left out was which direction did they come from and where do you think they are heading? That is key when deciding to send troops and also pull the recon team out of the area.
When on a patrol and you come up and encampment or the target area they following steps are what usually happen.
When setting up the defensive position for this mission it is best to do a circle formation. This gives a 360 view. Also teams make a safety word for coming back after the recon. You donât want to shoot your own man after doing his job now do you? Itâs really called a challenge and password command. It can be set so the security team[âs word is house and the recons teamâs word is apple. If the recon team gives the wrong word then they get it. That is drilled into your head if you go into the military.
Elite units have been know to laager up and watch a section of area for months at a time. If you must set up a bivouac(temporary encampment under little or no shelter) then here are some tips to keep you from being seen.
MOVEMENT
BOUNDING OVER WATCH
This is a type of tactic used to move onto a target while being covered by others while you are in the movement phase. Some call it leap frogging.
While moving from your concealed position here are a few tips.
NOW you can use this technique for moving men and even squads onto a target.
Once again it is important to know your fields of fire so that all angles and areas are covered.
Most units will use a staggered man form of fire. That is where one man looks left while the other looks right some look forward and others check their rear. That is just an example.
MOVEMENT UNDER FIRE
Do not move on an empty clip(loader).you may have to engage a target that you know sees you and will fire before you can reach safe cover. The best thing to learn is counting your shots. It saves time.
Do not run in front of the covering man line of fire unless you have to. If you do run low and as fast as u can so you do not block his sight.
Tape all loose gear to your equipment(non reflective tape).It keeps the noise down and you donât want to loose your NVGâs or all your paint running out in the open.
Stay low and zig zag a bit while in motion. Donât make it easy for them. Its extremely hard to hit a moving target. Especially with your adrenalin pumping, smoke, noise and what ever else is going on at the time.
If you have smoke use it if the wind is right. They cant hit what they cant see. A highly trained soldier will not fire until he has an absolute shot. the smoke will conceal movement and also set a fire at the same time if you want to start burning a gap between the 2 contacting forces.
Keep you head while under fire. Pay attention to your route. Its funny to see someone running full blast to a position only to lay themselves out due to a branch or board that was overhead. But when its you itâs a different story. So keep your head up and stay alert.
âTwo-tubeâ refers to the stacked body style, where the internal parts ride in parallel tubes. Sheridan, the company which at one time produced a series of pump paintball guns for Pursuit Marketing Inc. (PMI) produced the gameâs first successful two-tube blow-back semi-automatic, the PMI-III (later renamed VM-68 when sold directly by Sheridan). The operational system of the PMI-III was basically a modification of the system Sheridan used in itâs pump guns (which actually dates back to the companyâs earlier pellet guns). After being manually cocked, the hammer in the pump system would be released and carried forward by a spring and strike a valve, which would release gas directed through the bolt to impact the paintball. In the PMI-III, the valve would also simultaneously release gas directed toward the hammer to blow it back into a cocked position, hence the name blow-back. Since the PMI-III hit the market in the early 1990âs, many other two-tube blow-back systems have come along (and some have since gone). The concept has been refined, and nearly perfected over the last decade. Itâs overall simplicity, efficiency, reliability and low cost make it among the most popular systems in the industry.
The Parts
Actual specifics of the internal parts vary from manufacturer to manufacturer, but these are the basics of most modern stacked tube blow-back semi-automatics.
1.  Bolt 2.  Hammer 3.  Valve 4.  Valve pin 5.  Cup Seal 6.  Valve Spring 7.  Main Spring 8.  Bumper 9.  Rear Cap 10. Valve Screw |
11. Trigger Spring 12. Trigger 13. Trigger Latch 14. Sear Spring 15. Sear 16. Frame Screw 17. Gas Hose 18. Grip Frame 19. Barrel 20. Front Cap |
How the Valve Works
The valve system is the heart of the blow-back semi-automatic. It hold gas in the valve chamber, and when opened by a strike of the hammer, releases gas in two directions simultaneously â upward into the bolt to propel the ball, and rearward to blow the linked bolt and hammer back into a cocked position. In most two-tube blow-backs, the gas directed toward re-cocking travels across a flat cut-out on the valve pin, however, some models such as the Diamond GT, have an extra hole in the front of the valve which allows dispersal of the re-cock gas.
How the system Works
Cocked Gun
Blow-backs fire from an open-bolt position, where the bolt is in an âopenâ position, with a ball in the breech, before the trigger is pulled. When the gun is initially charged up, the linked bolt and hammer must be manually pulled to the rear of the gun, which compresses the main spring, cocking the gun. The bolt hammer combo, which is under pressure from the main spring, is held in place by the sear.
Forward Stroke
When the trigger is pulled, it lifts the front of the sear. As the sear pivots, the rear lowers, releasing the bolt/hammer combo, which is carried forward by the decompressing main spring. The bolt pushes the waiting ball into the bore of the barrel. The sear spring pulls the sear back and down (note the sear not only pivots, but also moves back and forth).
Valve Action
As the hammer comes forward striking the valve pin, the pin moves the connected cup seal away from the valve, allowing gas (blue) to flow into the valve. The gas moves through the valve in two directions (blue arrows), both up and through the bolt to impact the ball, and back to impact the hammer, blowing the linked bolt/hammer combo back toward the rear of the gun (see closer detail on the valve above.)
Rearward Stroke
As the bolt/hammer combo travels back, it compresses the main spring, and travels across the sear. Meanwhile the next ball in the feed tube drops into the breech. Traveling rearward, the bolt/hammer combo impacts the rubber bumper in the back of the gun, which saves the end cap from damage. The bolt/hammer combo then returns slightly forward and is caught by the sear, pushing the sear forward. Meanwhile when the user releases the trigger, it is returned to itâs âat restâ position by the trigger spring. The gun is then ready to fire again.
Full Animation
A few notes about the above animation: For purposes of clarity, the animation runs substantially slower than an actual blow-back. Unrestricted by the sear, a two-tube blow-back can easily cycle in excess of 20 times in a single second. The animation also features a trigger with a retractable, spring-loaded trigger latch, which allows the trigger to pass the sear smoothly as it returns to itâs rested position. The retractable trigger latch appears on guns like Spyders and Piranhas, but is not a feature on all blow-backs.
Tuning
The most common way to adjust velocity of the paintballs fired by blow-back semi-autos is to control the tension of the main spring. This can be achieved in several ways. On modern blow-backs, a spring tension adjuster (a.k.a. velocity adjuster) is often located in the rear cap of the gun. It consist of a screw which moves the spring guide (located inside the rear of the main spring) back and forth, thus putting more or less tension on the main spring. With more tension, the hammer strikes the valve pin harder, releasing more gas and increasing paintball velocity. With less tension, the opposite occurs. If the adjustment range of the screw is not enough to achieve the desired velocity, changing the main spring may be necessary. Most modern blow-backs have aftermarket spring kits available, which include color-coded springs of varying tension. If no alternate springs are available, with the proper size shims, a ball bearing, or other objects, the tension on the main spring can be increased. On the other hand, tension can be decreased by cutting the main spring, but that should be considered a final option, since it is not reversible.
Valve spring adjustments can also effect velocity, however the valve spring is not as easily accessed as the main spring, since the gun must be de-gassed first. More tension on the valve spring means the valve closes quicker, and less gas is released, resulting in a lower velocity. Less tension on the valve spring will result in the valve staying open longer, more gas released, and a higher velocity. The options for adjustment include swapping springs, using shims, or cutting the spring. Because the area is under gas pressure, few blow-back guns have ever featured tension adjustment screws for the valve spring (although it was an option on the Line SI Promaster)
Far less common and not so easily accessed ways of controlling the velocity on blow-back semi-autos involve physically changing the valve system and other parts of the gun. For instance, the shape of the valve pin can help determine how much of the gas is used for propelling the ball, and how much is used for re-cocking the action, while the hole in the top of the valve can determine the volume of gas allowed to flow into the bolt to propel the ball. Early blow-back semi-autos actually had parts made to allow adjustments in these areas, but the concept contributed to the complexity of the gun and was abandoned in later blow-backs. In modern blow-backs, such adjustments are only for those who like to tinker.
One thing to keep in mind when tuning a blow-back is that the amount of gas being released by the valve also affects the ability of the gun to re-cock. If the volume and/or pressure of the gas being released is too low, the gun will not have enough gas to re-cock. This often results in the âdeadâ effect where the gun simply does not try to re-cock after firing a shot, or the âfull autoâ effect where the gun tries to re-cock, but cannot blow the bolt/hammer back far enough to catch the sear, causing the hammer/bolt to come forward again, strike the valve open, and repeat the process. These effects are especially pronounced when trying to use the gun to with inadequate pressure (cold weather Co2 operation, or a tank running out of gas). In most cases, getting the correct spring combination, or adequate tank pressure will address the problem.
Common Problems
From a standpoint of parts failure, the cup seal takes the honor of âmost likely suspectâ in two-tube blow-back semi-automatics. Cups seals are made of plastic or some other semi-soft material, and hold gas inside the valve chamber by sealing the valve. Cup seals can be damaged by debris in the gas system, or sometimes just wear out. They are generally inexpensive and replacing one is a fairly simple matter, however, often a cup seal can be repaired through cleaning. Leaking gas heard down the barrel is indicative of a faulty cup seal.
Another source of problems with blow-back semi-automatics is O-ring failure. Depending on the design of the gun, a blow-back can have in excess of a half of a dozen o-rings. Although the failure of any of the O-rings could possibly stop the gun dead in itâs tracks, there are only a few which are critical to the operation of the system. O-rings such as the ones located on the bolt are meant to help seal the gas in as it passes from the valve through the bolt, but the gun will operate without them. However, if those o-rings break, they could leave enough debris to jam up the action. The O-ring on the front of the hammer is a little more important. It helps the hammer catch the gas from the valve directed for re-cocking. With enough gas pressure, some blow-backs will function without the hammer O-ring, but having the O-ring in place makes the process more efficient. The more critical O-rings are the two that seal the valve chamber. The O-ring on the valve itself which seals the chamber usually suffers damage only during the removal or installation of the valve. If it is damaged, the result can be gas leaking down the barrel, much like a faulty cup seal. The O-ring on the front cap must be in working order or the valve chamber will not be sealed, and gas will leak from around the cap.
Although any hard part on a two-tube blow-back can wear out after heavy use, it usually takes tens of thousands of rounds before that happens. Among the most common hard parts to wear out is the sear. If the rear edge of the sear is broken, chipped, or worn down, it may not catch the hammer as it returns to itâs re-cocked position. This is usually evident upon inspection of the sear.
The Basics
The list of possible modifications to improve performance could go on for days. However, for most players, those modifications should be considered âwantsâ as opposed to âneedsâ. Right off the shelf, modern two-tube blow-backs offer decent performance at a decent price, and are easy to use in an effective manner. When well maintained, they are probably more reliable than any other system available in paintball, and easy to repair if they fail. Taken as a whole, blow-back semi-automatics probably offer the best value among all paintball guns.
Whether you are into woodsball or speedball, there are a lot of advantages to having a compact gun, but the one thing you donât want to sacrifice is performance â enter the short Lapco Bigshot barrel for the Tippmann A-5. The A-5, taking itâs design cues from the H&K MP5 series of firearms, easily lends itself to the idea of a compact design.
The Bigshot for the A-5 is 7.5 inches long. Like others from Lapco itâs flawless in construction and anodizing, with a look of quality and refinement. The fluting is a nice touch. There is a small amount of porting near the muzzle end, but otherwise itâs solid one-piece construction. Inside the barrel seems to have varying diameters. It appears the bore tightens down just inside the first inch or so of the bore, then there is an obvious step just past the porting where the barrel opens in diameter.
Performance
From a performance standpoint, the little Lapco barrel works great. When compared to the other barrels I have for the A-5 (a Flatline and a Pro-team products 4 inch barrel), the Lapco stands heads and tails above on consistency. This especially applies to windage, where the other two barrels both tend to fall somewhat short of what I consider âdecentâ performance. With the other barrels being less than âdecentâ, does this mean the Lapco is just âaverageâ? No. Iâd say itâs above average. It shoots as good if not better than any barrel I have on any gun. It helps that even in stock form the A-5 holds a pretty consistent velocity, but so do most of my other guns.
I usually have red dot sights on my paintball guns, and the overwhelming majority shots from the Lapco barrel go right where I expect them to go.
I am not sure of the technical reasons for the variances in the inside diameter, but perhaps that has something to do with it. I put the barrel through portions of a lot of scenario games using a variety of field paint brands prior to writing this review. This barrel seems to digest anything well. I have yet to run into anything that caused problems. A 10-shot bench rest test at about 20 yards shows itâs easy to hold a fairly tight pattern with the Lapco barrel despite using a mixed bag of paint (notice the photos).
The barrel also shoots clean with relative ease. At one game where I could actually use non-field paint, I had a mixed bag of leftover paintballs from who knows where. In what has been a rare occurrence for the A-5, I had a ball break in the gun. The Lapco barrel shot clean within about 10 shots and I continued to use it for the rest of the day with no problem. The same problem occurred right after doing this test shot (some of this paint is really old) and again the gun was shooting straight after about 10 shots.
Extras
Lapcoâs short Big Shot barrel package also allows the user to takes advantage of the guns looks by using a âfakeâ suppressor cover, which is sold separately for about $35. The cover, which is basically a hollow aluminum tube, comes with a nice threaded mounting block to allow it to easily screw on and off the gun. The front hole of the cover includes a rubber o-ring to protect against marring the outside of the barrel. The cover is entirely cosmetic and does absolutely nothing to suppress the noise level of the paintball gun â and the A-5 is a loud gun.
Opinion
Like other Lapco barrels, this one retails for about $50. The 7.5 incher easily stands on par with more expensive barrels on some of my other guns (some costing twice as much or more), and thereâs the real rub â the cost, and the convenience of the length. Whether I am in the thickest of wooded areas, or trying to squeeze around a bunker on a speedball field, give me a short compact gun any day of the week. This Lapco barrel letâs you have a compact gun without sacrificing performance, and that performance comes without breaking the bank â and did I mention it looks good? The bigshot barrel is a big bang for the buck.