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Rock River Arms LAR-PDS 5.56mm Pistol with Aluminum Tri-Rail

ROCK RIVER ARMS LAR-PDS 5.56mm Pistol with Aluminum Tri-Rail
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Product Description

The RRA LAR-PDS® Pistol is the first of a new generation of firearms employing RRA’s patent-pending Piston Driven System (PDS).

LAR-PDS® Pistol Features

Featuring a purpose-designed bolt carrier, an adjustable gas piston and an over-the-barrel spring and guide rod arrangement, the LAR-PDS® is able to completely do away with the traditional recoil system associated with AR-style firearms, making for an extremely versatile weapon platform.

Full Length Top Mounting Rail

The LAR-PDS® Pistol’s full length top mounting rail, from the rear of the receiver to the regulator housing, allows for the flexible placement of numerous optics, lights, lasers and other accessories.

Two Position Adjustable Regulator

The LAR-PDS® Pistol’s two position adjustable regulator is conveniently positioned on the right side of the regulator housing.

Folding Ambidextrous Non-Reciprocating Charging Handles

The folding ambidextrous, non-reciprocating charging handles, shown above in the extended position, may be used singly or in unison to charge the LAR-PDS® Pistol.

Rear Sling or Accessory Mounting Rail

The LAR-PDS® Pistol features a MS1913 rail on the rear receiver adapter. The design of the upper receiver and guide rod base prevents gas blow-by to the back of the receiver.

LAR-PDS® Aluminum Tri-Rail Handguard

The LAR-PDS® Pistol is now available with the RRA Aluminum Tri-Rail Handguard for mounting lights, lasers and other accessories.

Firearm Specifications

  • CALIBER: 5.56mm NATO Chamber for 5.56mm & .223 Cal.
  • UPPER RECEIVER: Proprietary with Extended Top Rail
  • CHARGING HANDLE: Proprietary Ambidextrous Non-Reciprocating
  • BARREL: 9 Inch Chrome Moly 1:9 Twist
  • MUZZLE DEVICE: A2 Flash Hider / 1/2-28 Thread
  • TRIGGER: RRA Two Stage
  • PISTOL GRIP: Hogue Rubber Pistol Grip
  • FRONT SLING / LIGHT MOUNT: MS1913 Rail on Regulator Housing
  • REAR SLING MOUNT: MS1913 Rail on Rear Receiver Adapter
  • LENGTH: 18.25 Inches
  • WEIGHT: 5 Pounds
  • INCLUDES: One Magazine Manual Warranty

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