Product Description
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
- Self Cleaning
- 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
his system will work with .223/5.56 x 45 mm NATO.
Kit includes:
- Patented One-Piece Bolt Carrier
- P Series Micro Block – Non-Adjustable
- Upper Receiver Bushing
- Bushing Installation Rod
- Bolt Spring
- Drive Rod with Bushing and Spring
- Installation Instruction Card
The Adams Arms Piston System:
- A short stroke free floating piston system.
- Is Self-Cleaning.
- Carbon and gases are expelled forward, away from operator.
- Corrosive resistant coating processes.
- Harmonics are not transferred into the barrel.
- Doesn’t vent directly to atmospheric pressure; this eliminates flash signature and super sonic crack which is optimal for night vision and suppresses fire.
- Has a Lifetime Warranty.
To select the correct length kit, use the following measurements:
- Pistol: 4.846″ from barrel extension to shoulder
- Carbine: 7.866″ from barrel extension to shoulder
- Mid: 9.866″ from barrel extension to shoulder
- Rifle: 13.241″ from barrel extension to shoulder
We recommend using a standard barrel nut or barrel nut with similar measurements for proper fit and function of the kit. Many aftermarket proprietary barrel nuts do not offer the clearance for the drive rod or proper seating of the spring and bushing.
Micro Gas Blocks should have the set screws torqued to 87 in-lbs
Installation Instructions: CLICK HERE
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