| 2-tube Blow-back BasicsHow 2-tube blow-backs function with animated graphics |
Modern Tippmann ValvesHow valves in Tippmann’s Model 98 and A-5 function with animated graphics |
How Nelson Guns workDetails on how pumps based on the Nelspot 007 function |
| Blow-back LP FAQAnswers to frequently asked questions concerning blow-back low pressure operations |
X-Chamber/Regulator FAQFrequently asked questions about expansion chamber and regulators |
Coolest Gun in the WorldA Line SI Bushmaster pump converted into a bolt-action rifle. |
| Balancing Blow-backsHow to blance the needs between velocity and re-cock |
The Gun From HellA Nelson based pump with a WGP autococker kit |
How to port a barrelHow to put a pattern of holes in a barrel using a simple drill press. |
| PT Enforcer VelocityHow to improve the velocity on the PT Enforcer blow-back pistol |
Breech Loaded CannonA cannon designed for eliminating armored vehicles in scenario games |
Cheap Home-made StuffIdeas for home made projects that don’t cost much |
| The Trials of CLovisMike Young’s low pressure and cosmetic changes to a stock Spyder |
BECC jr.The smaller version of the breech loaded cannon. |
Line SI PromasterThe saga of an early problematic blow-back |
