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MPR308-15M Mid-Length 18" Barreled .308

Quick Overview

MPR308-15M 18" .308 AR-platform Rifle

Availability: Available (built to order)


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One lower, almost unlimited rifles. The MPR 308-15M (Mid-Length) is a new product from Olympic Arms offering a billet aluminum lower receiver that is designed to accept any and all standard AR15 upper receivers and associated caliber options AS WELL AS Olympic Arms proprietary .308 style uppers. Olympic 308-15 lower is engineered with two positions for front pivot pins, allowing it to accept the Olympic proprietary .308 uppers and any standard AR15 upper as well.

The MPR308-15M rifle comes standard with:

  • Button rifled 18" 416 stainless steel bull barrel with 1x10 twist
  • 5/8 x 24 Threaded muzzle with thread protector
  • Predator style mid-length free-floating aluminum handguard with bi-pod mount
  • Billet aluminum lower
  • Billet aluminum picatinny railed flat-top upper
  • Low-profile Gas Block
  • Ergo® Brand Tactical Deluxe (Fat-Boy) rubberized pistol grip.
  • +1" Extended 6-position collapsible M4 stock - receiver ext. tube turned to the stronger commercial dimension.

Another quality features include:

  • Standard AR15 fire-control component parts
  • Accepts Olympic Arms .308 magazines OR and standard AR15 magazine (regardless of caliber)
  • Use 7.62x39, 300 Blackout, 204 Ruger, 6.8 Remington and all the other standard AR15 chamberings and magazines as well as the Olympic Arms .308 uppers.

Additional alternative calibers include:

  • 300 Winchester Short Magnum
  • .260 Remington
  • 7mm-08
  • .243 Winchester and so many more.
  • Call your Olympic Arms Sales Rep for the latest information on alternate caliber availability.

Additional Information

SKU MPR308-15M

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Olympic Arms, Inc. is not affiliated with the IOC/USOC or any other Olympic sports organization.