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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Spinta Precision AR-15 9mm Thermal Barrel - 8” Nitride (Rainier Arms Exclusive)Special Price $100.10 Regular Price $189.99 -
Faxon Firearms Straight Fluted Barrel for Ruger 10/22 - 6" NitrideSpecial Price $149.92 Regular Price $202.40
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Faxon Firearms Flame Fluted Barrel for Ruger 10/22 - 8.5" NitrideSpecial Price $169.92 Regular Price $234.60
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Spinta Precision MK18 5.56 NATO AR-15 Barrel - 10.3"Special Price $123.50 Regular Price $179.95
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Battle Arms Development AR-15 Enhanced Bolt Carrier Group - Full AutoSpecial Price $169.92 Regular Price $189.95
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Faxon Firearms Stainless Match Series 6.5 Creedmoor AR-10/LR308 Barrel - 20"Special Price $199.92 Regular Price $275.08
