Adams Arms P Series Piston Kit with Adjustable Micro Block – Pistol Length with Standard Carrier


Transform your AR with the Adams Arms Piston Kit, an innovative solution to convert your rifle into a piston-driven system. Enjoy enhanced BCG performance, reduced carbon buildup, and superior heat dissipation for a cleaner, more reliable shooting experience. This kit includes a one-piece bolt carrier and a micro block with 5 adjustable settings.

Availability: Out of stock SKU: FGAA-03217 Category: Tags: , ,


Adams Arms P Series Piston Kit with Adjustable Micro Block – Pistol Length with Standard Carrier

The Adams Arms Piston Kit will turn your Direct Impingement AR into a Piston-Driven system.  This kit uses the existing gas port on the barrel to work the action of the inverted piston, which is included.  Firstly, instead of directing the gases into the receiver, they go into a gas plug and drive rod sleeve.  Secondly, the contained gases within the drive rod sleeve push the bolt carrier rearward using the pressure to cycle the action.  In addition, the P Series Piston operating system mechanically actuates the bolt carrier external of the receiver.  Therefore, this keeps the internal receiver and all its moving parts clean and free from heat and carbon buildup.

P Series Piston System Features:

  • Self Cleaning
  • Carbon and Gases expel forward, away from the shooter
  • BCG and other internals remain cool and clean
  • Adjustable gas settings for various applications
  • Does not vent direct. Eliminates flash signature and supersonic crack which is ideal for night vision and suppressed fire

Kit Includes:

  • One-Piece Bolt Carrier
  • P Series Micro Block – 5 adjustable settings
  • Upper Receiver Bushing
  • Bushing Installation Rod
  • Bolt Spring
  • Drive Rod with Bushing and Spring

Additional information

Weight 2 lbs


Barrel Gas System

Gas Block Diameter


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