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THE ADAMS ARMS DIFFERENCE
The Adams Arms Retro-Fit Piston Drive System uses the same gas port on the barrel to work the action of our inverted piston. Instead of directing the gases into the receiver, they go into a gas plug and drive rod sleeve invented by Adams Arms. The gases are contained inside the drive rod sleeve and push the bolt carrier rearward using the gas pressure to cycle the action.
Adams Arms proprietary operating systems mechanically actuate the bolt carrier external of the receiver. This keeps the internal receiver and all the critical moving parts clean and free from heat and carbon build up.
Here are some of the main differences when using the Adams Arms Operating System:
Short Stroke Free Floating Piston System
Carbon and gases are expelled forward, away from the operator
Bolt Carrier Group and other critical components remain cool and clean
Corrosive resistant coating processes
Harmonics are not transferred into the barrel
Adjustable gas settings for various applications
Doesn't vent direct to atmospheric pressure; this eliminates flash signature and supersonic crack which is optimal for night vision and suppressed fire