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Adams Arms CPSDADA AR-15 Gas Piston Kit Carbine10"-16" Length. 75" Diameter



The Adams Arms Gas Piston System is an end user-installed, after-market product for Mil-Spec ARs. It will fit on any AR barrel with a .750" or 3/4" diameter at the shoulder where the front sight base sits. The carbine version will work on barrel lengths of 10.5" to 16" that have an existing carbine gas system. The mid-length version will fit barrel lengths of 16" to 18" that have an existing mid-length gas system. The rifle version will work on barrel lengths of 18" to 24" that have an existing rifle gas system. This system will work with .223/5.56 x 45 mm NATO. STANDARD KIT w/M4 MODIFIED HANDGUARD & 0.750" DIA. PICATINNY GAS BLOCKKit includes: Patented One-Piece Bolt Carrier - .750 Picatinny Gas Block with 3 settings (full gas for standard fire half gas for suppressed no gas for single shot) - Gas Plug - Upper Receiver Bushing - Bushing Installation Rod - Bolt Spring - Drive Rod with Bushing and Spring - M4 Style Modified Handguards - Modified Handguard Cap - Installation DVD. 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 - Adjustable gas settings for various applications - Doesn't vent directly to atmospheric pressure; this eliminates flash signature and super sonic crack which is optimal for night vision and suppresses fire. This system requires a carbine gas length (7.866 from barrel extension to shoulder) and a .750 gas seat. 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.

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