To See Our Holiday 2024 Schedule, Please Visit Our Contact Page.

Pursue Your Passion
My Cart

Rainier Arms on Instagram

Menu
Account

Receiver Parts

We can't find products matching the selection.
Shop By
Now Shopping by
  1. Price $0.00 - $999.99 Remove This Item
Clear All
Shopping Options
Barrel Length
  1. 7" 1 item
  2. 8" 1 item
  3. 8.3" 2 items
  4. 8.5" 1 item
  5. 9" 3 items
  6. 10.5" 2 items
  7. 10.7" 1 item
  8. 11.5" 4 items
  9. 12" 1 item
  10. 12.5" 1 item
  11. 13.7" 1 item
  12. 14.5" 4 items
  13. 16" 9 items
  14. 18" 2 items
Barrel Profile
  1. Non-fluted 1 item
Caliber
  1. .45 ACP 1 item
  2. 300 Blackout 8 items
  3. 5.56X45 2 items
  4. 5.56 NATO 16 items
  5. 9mm 5 items
Category
  1. Stripped Lower Receivers 35 items
  2. Complete Lowers 23 items
  3. Stripped Upper Receivers 33 items
  4. Complete Upper Receivers 12 items
  5. Partial Upper Receivers 23 items
  6. Receiver Sets 15 items
  7. Chassis 3 items
Color
Configuration
  1. AR-15 1 item
  2. Rifle 1 item
Finish
  1. Black 1 item
  2. Cerakote 3 items
  3. Phosphate 1 item
  4. Anodize 11 items
  5. Clear Hard Anodize 1 item
  6. Quench Polish Quench (QPQ) 1 item
Gas Block Diameter
  1. .750" 10 items
Gas System Length
  1. Pistol 2 items
  2. Carbine 3 items
  3. Mid 9 items
  4. Intermediate 1 item
  5. Rifle 1 item
Height
  1. Absolute Co-Witness 1 item
Manufacturer
  1. A3 Tactical 1 item
  2. Aero Precision 28 items
  3. Angstadt Arms 4 items
  4. Ballistic Advantage 5 items
  5. Battle Arms Development 6 items
  6. Bootleg 1 item
  7. Bravo Company MFG (BCM) 24 items
  8. Centurion Arms 1 item
  9. Cross Machine Tool (CMT) 2 items
  10. Dead Foot Arms LLC 2 items
  11. Faxon Firearms 3 items
  12. Fortis MFG 1 item
  13. Grey Birch MFG 1 item
  14. HERA ARMS 1 item
  15. Icon Defense 1 item
  16. JP Enterprises Inc 2 items
  17. Lantac 3 items
  18. Lee Sporting 4 items
  19. Lewis Machine & Tool (LMT) 3 items
  20. NEMO Arms 1 item
  21. Next Level Armament 2 items
  22. Noveske 1 item
  23. Patriot Ordnance Factory (POF) 1 item
  24. Primary Weapon Systems 2 items
  25. Radian Weapons 1 item
  26. Rainier Arms, LLC 16 items
  27. Sharps Bros 6 items
  28. Silencerco 2 items
  29. Sionics Weapon Systems 3 items
  30. SLR Rifleworks 3 items
  31. Sons of Liberty Gun Works 6 items
  32. V Seven Weapon Systems 6 items
  33. VKTR Industries 1 item
  34. VLTOR 1 item
  35. WMD Guns 1 item
  36. WOOX 1 item
Mount
  1. M-LOK 9 items
  2. Picatinny 1 item
Option
  1. AR-9 6 items
  2. AR-10 8 items
  3. AR-15 43 items
  4. FN 509 1 item
  5. Remington 700 Short Action BDL 1 item
  6. Remington 700 Long Action BDL 1 item
  7. Sauer 100 1 item
  8. WA 1 item
  9. KS 1 item
  10. Glock 2 items
  11. MCS 2 items
  12. Full Size 2 items
Platform
  1. AR-10/LR308 1 item
  2. AR-15 30 items
  3. Ruger 1 item
Product Type
  1. AR-10 Complete Upper Receiver 1 item
  2. AR-10 Partial Upper Receiver 1 item
  3. AR-10 Receiver Set 4 items
  4. AR-10 Stripped Lower Receiver 3 items
  5. AR-10 Stripped Upper Receiver 3 items
  6. AR-15 Assembled Upper Receiver 3 items
  7. AR-15 Complete Lower Receiver 22 items
  8. AR-15 Complete Upper Receiver 6 items
  9. AR-15 Partial Upper Receiver 22 items
  10. AR-15 Receiver Set 9 items
  11. AR-15 Stripped Lower Receiver 26 items
  12. AR-15 Stripped Upper Receiver 22 items
  13. AR-15 Upper Receiver Group 1 item
  14. AR-9 Lower Receiver 4 items
  15. AR-9 Complete Lower Receiver 1 item
  16. AR-9 Receiver Set 1 item
  17. AR-9 Upper Receiver 2 items
  18. Chassis 3 items
  19. Complete Upper 5 items
  20. Lower Receiver 5 items
  21. Parts Kit 1 item
Rail Length
  1. 5" 1 item
  2. 7" 1 item
  3. 8" 2 items
  4. 9.5" 3 items
  5. 9.55" 1 item
  6. 10" 2 items
  7. 10.7" 1 item
  8. 11.5" 3 items
  9. 11.7" 1 item
  10. 12" 1 item
  11. 13" 1 item
  12. 13.5" 1 item
  13. 13.7" 1 item
  14. 15" 5 items
  15. 16" 1 item
Size
  1. 9 Slot 1 item
Thread Pitch
  1. 1/2x28 (9mm) 2 items
  2. 1/2x28 (.22 cal) 9 items
  3. 1/2x36 1 item
  4. 5/8x24 (.30 cal) 4 items
Threaded
  1. Yes 11 items
  2. No 1 item
Twist Rate
  1. 1:7 14 items
  2. 1:8 2 items
  3. 1:10 1 item
Stock Status
  1. In stock 1 item
  2. Out of stock 146 items Remove This Item
My Wish List
Last Added Items
  1. Add to Cart
    Remove This Item
Go to Wish List
You have no items in your wish list.
Google Customer Reviews Google Customer Reviews