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Rifle Parts

Whether you're building a new rifle from scratch or looking to upgrade an existing firearm, our vast selection of rifle parts has everything you are going to need in that journey. At Rainier Arms' selection of rifle parts, you can find a wide variety of products including lower and upper parts, trigger parts, muzzle devices, and many more. 

Explore our selection of high-quality parts coming from various leading manufacturers like Strike Industries, Magpul, BCM, and many more.

Also, don't forget to check our specially-made Rainier Arms barrels for your firearms.

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  2. Noveske N4 Shorty CHF 5.56 NATO AR-15 Complete Upper Receiver - 10.5"
    Noveske N4 Shorty CHF 5.56 NATO AR-15 Complete Upper Receiver - 10.5"
    $1,520.00
    Out of stock
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  1. Gas Block Diameter .750" Remove This Item
  2. Rail Length 9.75" Remove This Item
  3. Manufacturer Noveske Remove This Item
  4. Twist Rate 1:7 Remove This Item
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