6.5 Grendel Low Profile Mid Length Piston Conversion with 15" Samson Evolution Rail

6.5 Grendel Low Profile Mid Length Piston Conversion with 15" Samson Evolution Rail

Your Price: $540.00
In Stock
Part Number:201503270005

Choose Options

I'm Sending In An Assembled Complete Upper - No Charge
I Need BRA To Assemble Upper From Parts Sent In [+$20.00]
Add Standard Firing Pin [+$5.99]
Add Cam Pin [+$4.75]
Add Firing Pin Retaining Pin [+$1.99]
Remove Samson Evo Rail (Only remove if you are supplying a Evo Rail or Rainier Arms Force Rail) [+$-190.00]
Make sure you have all your parts: UPPER COMPONENTS CHECK LIST
Make sure you read FAQ for rail compatibility: RAIL COMPATIBILITY

QUALITY CONTROL POLICY: Piston systems are not end user installs. 
You must ship your upper for free piston installation during this time we check headspace and test fire with Wolf or Tula Ammo. 

Black Rifle Arms AR-15 6.5 Grendel Low Profile Mid-Length Piston Conversion with 15" Samson Evolution Rail. 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. 

Must ship your complete upper with bolt assembly, cam pin, firing pin, retaining pin, and charging handle. Please remove bolt carrier, gas block, and DI handguards. 

Conversion Kit Includes: 
  • Gas Block
  • Piston
  • Piston Cylinder
  • Titanium Connecting Link to maximize strength and minimize weight 
  • 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
    • Please Note: Low Profile Piston Conversions are only compatible with Samson Evolution and Rainer Arms Force Rails.

Samson 15" Free Float Evolution Rail:
  • Weight with Bushing: 10.5 oz 
  • Thermal bushing locks onto the stock barrel nut 
  • No special tools required for installation 
  • Inside diameter is large enough to fit most suppressors (1.56”) 
  • Continuous mil spec top rail 
  • Dual anti-rotation tabs 
  • Thermal Bushings helps reduce heat transfer to hand guard 
  • Supplied with 2x 2” rail kits and 1x 4” rail kit 
  • Tube Matl 6010 T6, Bushing Matl. 303 Stainless 
  • Mil-spec Hard coat Anodized
Shipping Insurance is included in shipping cost. Package Requires a Signature Upon Delivery

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