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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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  1. Geissele Super 7.62 Charging Handle - Black
    Geissele Super 7.62 Charging Handle - Black
    $140.00
  2. Heavy Buffer CAR-10 Buffer and .308 Carbine Buffer Spring
    Heavy Buffer CAR-10 Buffer and .308 Carbine Buffer Spring
    $115.00
  3. Noveske Super Badass Ambi Charging Handle 7.62 Black
    Noveske Super Badass Ambi Charging Handle 7.62 Black
    $133.00
  4. V Seven Weapon Systems Harbinger .308/7.62 Receiver Set
    V Seven Weapon Systems Harbinger .308/7.62 Receiver Set
    $769.21
  5. Aero Precision M5 (.308) ASSEMBLED UPPER RECEIVER - BLK
    Aero Precision M5 (.308) ASSEMBLED UPPER RECEIVER - BLK
    $194.99
  6. V Seven Harbinger .308 Stripped Upper Receiver
    V Seven Harbinger .308 Stripped Upper Receiver
    $392.85
  7. Nemo Arms Titanium Take Down Pin Set
    Nemo Arms Titanium Take Down Pin Set
  8. Rainier Arms Ultramatch .308 Billet Upper Receiver MOD 3
    Rainier Arms Ultramatch .308 Billet Upper Receiver MOD 3
    $269.99
  9. Magpul MOE Rail Pieces 9 Slot - Black
    Magpul MOE Rail Pieces 9 Slot - Black
    $9.45
  10. Magpul BAD Lever
    Magpul BAD Lever
    $31.30
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