Black Rifle Arms Low Profile Piston Conversions Systems

Black Rifle Arms^® AR-15 5 Low Profile Mid Length Piston Conversion with 12.37" Samson Evolution Rail

QUALITY CONTROL POLICY: Piston systems are not end user installs:

Must ship your upper for piston installation
We check headspace, barrel nut torque and test fire with Wolf
System components made from the highest quality available
Gas Block journal diameter of .750" or 3/4" and at least 1.9" length at the shoulder

WE CAN NOT REMOVE PERMANENTLY ATTACHED MUZZLE DEVICES OR PINNED and/or WELDED GAS BLOCKS

Must ship your complete upper with bolt assembly, cam pin, retaining pin, charging handle, enhanced firing pin, if you do not have an enhanced firing pin we recommend them for surplus ammo. Please remove bolt carrier, gas block, and DI handguards. If you are using a piston compatible rail please include in the package as all Free Float Rails must be installed before the gas block is installed.

Gas Piston Conversion Includes:

Gas Block
Piston
Piston Cylinder
Op Rod
One Piece Bolt Carrier, FailZero EXO NiB Coating

Bolt Carrier Buffer, polymer-based material chosen for its unique properties: shock absorbing, abrasion resistance and self-lubrication

Samson Evolution Rail

Supplied with 2-Qty 2" Rail its and 1-Qty 4" Rail Kit

Make sure you have all your parts: UPPER COMPONENTS CHECK LIST
Make sure you read FAQ for rail compatibility: RAIL COMPATIBILITY

WE ONLY SHIP

CUSTOMER SERVICE

SALE ITEMS

Low Profile Mid-Length Piston Conversion with 12.37" Samson Evolution Rail

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