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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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Items 65-67 of 67

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Items 65-67 of 67

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  1. Platform AR-10/LR308 Remove This Item
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Barrel Length
  1. 8" 2 items
  2. 10.3" 1 item
  3. 10.5" 1 item
  4. 12" 2 items
  5. 12.5" 1 item
  6. 13.5" 1 item
  7. 16" 11 items
  8. 18" 12 items
  9. 20" 10 items
  10. 20.5" 1 item
  11. 22" 8 items
  12. 24" 3 items
  13. 26" 2 items
Barrel Profile
  1. M110 1 item
  2. Non-fluted 1 item
Caliber
  1. .308 1 item
  2. .308 Win 22 items
  3. 6.5 Creedmoor 20 items
  4. 6MM Creedmoor 3 items
  5. 7.62mm 1 item
  6. 7.62x39 1 item
  7. 7.62x51 5 items
  8. 8.6 Blackout 4 items
Category
  1. Receiver Parts 4 items
  2. Parts & Kits 1 item
  3. Barrels 54 items
  4. Buffer Systems 1 item
  5. Trigger Parts 2 items
  6. Muzzle Devices 1 item
  7. Bolt Parts 1 item
  8. Charging Handles 3 items
Color
Configuration
  1. AR-10 1 item
  2. Curved 2 items
  3. Flat 1 item
  4. Straight 1 item
Finish
  1. Carbon Fiber 3 items
  2. DLC 1 item
  3. FDE 1 item
  4. Nitride 20 items
  5. Polished 7 items
  6. Satin 16 items
  7. Anodize 1 item
Gas Block Diameter
  1. .750" 27 items
  2. .875" 15 items
  3. .936" 5 items
Gas System Length
  1. Pistol 2 items
  2. Carbine 3 items
  3. Mid 4 items
  4. Intermediate 2 items
  5. Rifle 32 items
  6. Rifle +2 8 items
Manufacturer
  1. Aero Precision 2 items
  2. Ballistic Advantage 5 items
  3. Boss Barrels 1 item
  4. Christensen Arms 3 items
  5. Faxon Firearms 7 items
  6. Fortis MFG 2 items
  7. Forward Controls Design 1 item
  8. JL Billet 1 item
  9. JP Enterprises Inc 2 items
  10. Lewis Machine & Tool (LMT) 4 items
  11. Maxim Defense 1 item
  12. Rainier Arms, LLC 35 items
  13. Rainier Industries 1 item
  14. Triggertech 2 items
Option
  1. AR-10 3 items
  2. Dimpled 1 item
  3. Serrated 1 item
Price
  1. $0.00 - $999.99 66 items
  2. $1,000.00 and above 1 item
Product Type
  1. AR-10/LR308 Barrel 54 items
  2. AR-10 / LR 308 Charging Handle 2 items
  3. AR-10 Complete Upper Receiver 1 item
  4. AR-10 Receiver Set 1 item
  5. AR-10 Stripped Lower Receiver 1 item
  6. AR-10 Stripped Upper Receiver 1 item
  7. Bolt 1 item
  8. Bolt Catch 1 item
  9. Buffer Spring 1 item
  10. Charging Handle 1 item
  11. Muzzle Brake 1 item
  12. Trigger 2 items
Thread Pitch
  1. 3/4x24 1 item
  2. 5/8x24 (.30 cal) 48 items
  3. M18x1.5 4 items
Threaded
  1. Yes 1 item
Twist Rate
  1. 1:3 4 items
  2. 1:8 24 items
  3. 1:10 25 items
  4. 1:11.25 1 item
Stock Status
  1. In stock 67 items Remove This Item
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