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Details of Adams Arms P Series Micro Adjustable Block Piston Kit Mid Length Low Mass Carrier
This system will work with .223/5.56 x 45 mm NATO. Kit includes:Patented One-Piece Bolt CarrierP Series Micro Block - Adjustable (5 Settings - 100%/74%/53%/32%/11%)Bolt SpringDrive Rod with Bushing and SpringInstallation Instruction CardThese Piston Kits No Longer Require the Receiver Bushing or Installation DowelThe 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.Mid: 9.866a ^2 from barrel extension to shoulder