raineirarms

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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9 Items

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  1. Angstadt Arms 9mm AR-15 Barrel - 6"
    Angstadt Arms 9mm AR-15 Barrel - 6"
    $108.00
  2. Angstadt Arms Blastwave 3-Lug QD 9mm Blast Shield
    Angstadt Arms Blastwave 3-Lug QD 9mm Blast Shield
    $90.00
  3. Angstadt Arms 16″ 9mm Complete Upper Assembly
    Angstadt Arms 16″ 9mm Complete Upper Assembly
    $629.00
  4. Angstadt Arms AR-15 0940 Lower Receiver for Glock
    Angstadt Arms AR-15 0940 Lower Receiver for Glock
    $250.00
  5. Angstadt Arms AR-15 0940 Receiver Set for Glock
    Angstadt Arms AR-15 0940 Receiver Set for Glock
    $420.00
  6. Angstadt Arms Pistol Caliber Upper Receiver
    Angstadt Arms Pistol Caliber Upper Receiver
    $195.00
  7. Angstadt Arms Ultralight M-LOK Handguard
    Angstadt Arms Ultralight M-LOK Handguard
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9 Items

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