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Rainier Arms AR-15 9MM Billet Receiver Set

Rainier Arms AR-15 9MM Billet Receiver Set

Rainier Arms AR-15 9MM Billet Receiver Set

Rainier Arms AR-15 9MM Billet Receiver Set

Feb 11, 2019 | 9mm AR15 Lower Receiver, 9mm AR15 Upper Receiver

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Picture of a Rainier Arms AR-15 9MM Billet Receiver Set

Rainier Arms AR-15 9MM Billet Receiver Set

The Rainier Arms AR-15 9MM Billet Receiver Sets are CNC machined from solid billet 7075-T6 aluminum which is 70% stronger than the commonly used 6061 aluminum and finished with mil-spec hardcoat anodize to a surface hardness of 60 Rockwell. The precision machining of the Rainier Arms billets are well known in the industry. Rainier Arms AR-15 9MM Billet Receiver Sets utilize GLOCK® 9mm magazines.

Rainier Arms AR-15 9MM Billet Receiver Set Features

  • A4 Feed Ramps
  • 7075 Billet Aluminum
  • Upper and Lower are proprietary
  • Mil Spec Hardcoat Anodize
  • Threaded bolt catch screw
  • Threaded retainer screw for take down pin
  • Ambidextrous Bolt Release
  • Flared magwell
  • Compatible with short throw safety selector
  • Tensioning screw for proper upper and lower fit
  • Zinc-plated extractor and last round hold open lever
  • Last round bolt hold open on an empty magazine
  • Lower receiver accepts 9mm, .40 S&W and .357 SIG GLOCK® magazines
  • Slick side upper receiver with appropriately sized ejection port and no forward assist or dust cover
  • Accepts aftermarket Glock® 9mm double stack magazines. We recommend using factory Glock® magazines
  • Weight – Upper receiver 7.7oz Lower receiver 12.4 oz

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