ADAMS ARMS Adjustable Micro Block Piston Kit .300 BLK

Adjustable P Series Micro Piston Conversion Kit for .300 BLK Pistol Lenght DI Gas Systems This system will work with .300 AAC/.300 BLACKOUT and SUBSONIC ammunition GEN2, Upper Receiver Bushing and Installation Dowel is no longer needed! AA Gen2 Conversion Kit includes: Patented One-Piece Low Mass Bolt Carrier, DLC coated .750 P Series Micro Block – Adjustable with 5 Settings – 100%/74%/53%/32%/11% Extended Gas ports Bolt Spring Drive Rod with Rod Bushing and Rod Lightened Spring Gas Block Shim Spacer 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 fir To select the correct length kit, use the following measurements: Pistol: 4.846″ from barrel extension to shoulder For .300 BLK we only recommend a Pistol Gas Length and a Low Mass Carrier for optimal performance 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 Informations: *We only guarantee the reliable cycling of Sub-Sonic ammunition with the use of a suppressor. As 300 Blackout is not a mil-spec cartridge, some tuning may be necessary depending on grain weight and suppressor used. We recommend barrels longer than 7.5″ Informations: Our new Piston Kits No Longer Require the Receiver Bushing or the Receiver Installation Dowel Micro Gas Blocks should have the set screws torqued to 55-60 in-lbs Compatible with AR-15 MIL-SPEC Direct Impingement Upper Receivers Compatible with Adams Arms Piston Upper Receivers NOT compatible to AR-10 Upper Receivers MADE IN THE USA