Pursue Your Passion
My Cart

Rainier Arms on Instagram

Menu
Account

Receiver Parts

We can't find products matching the selection.
Shop By
Shopping Options
Barrel Length
  1. 4" 1 item
  2. 5" 2 items
  3. 5.5" 7 items
  4. 6" 1 item
  5. 7" 1 item
  6. 7.5" 6 items
  7. 7.75" 1 item
  8. 8" 3 items
  9. 8.5" 4 items
  10. 8.75" 1 item
  11. 10.3" 11 items
  12. 10.5" 8 items
  13. 11.5" 3 items
  14. 11.85" 1 item
  15. 12.5" 3 items
  16. 13" 2 items
  17. 13.7" 3 items
  18. 13.9" 1 item
  19. 14.5" 9 items
  20. 16" 13 items
  21. 16.1" 1 item
  22. 18" 2 items
Barrel Profile
  1. Non-fluted 2 items
Caliber
  1. .22 ARC 1 item
  2. .22 LR 1 item
  3. .223/5.56 2 items
  4. .223 Wylde 6 items
  5. .308 1 item
  6. .45 ACP 2 items
  7. 300 Blackout 6 items
  8. 5.56X45 2 items
  9. 5.56 NATO 33 items
  10. 7.62x39 4 items
  11. 9mm 14 items
Category
  1. Stripped Lower Receivers 37 items
  2. Complete Lowers 14 items
  3. Stripped Upper Receivers 25 items
  4. Complete Upper Receivers 49 items
  5. Partial Upper Receivers 29 items
  6. Receiver Sets 19 items
  7. Chassis 30 items
Color
Configuration
  1. AR-10 1 item
  2. AR-15 2 items
  3. M-LOK 1 item
  4. Mil-Spec 1 item
  5. Rifle 1 item
  6. Type 1 Trunnion 1 item
  7. Type 2 Trunnion 1 item
Finish
  1. Arid 1 item
  2. Black 1 item
  3. Cerakote 2 items
  4. FDE 1 item
  5. Anodize 12 items
  6. Clear Hard Anodize 3 items
Gas Block Diameter
  1. .750" 15 items
Gas System Length
  1. Pistol 2 items
  2. Carbine 10 items
  3. Mid 18 items
  4. Intermediate 1 item
  5. Rifle 2 items
Inside Diameter
  1. 1.3" 1 item
  2. 1.6" 1 item
Manufacturer
  1. A3 Tactical 3 items
  2. Aero Precision 7 items
  3. Airborne Arms 1 item
  4. Andro Corp Industries 4 items
  5. Arms Republic 1 item
  6. Ballistic Advantage 1 item
  7. Blackout Defense 1 item
  8. Bootleg 1 item
  9. Bravo Company MFG (BCM) 4 items
  10. Centurion Arms 2 items
  11. Cross Machine Tool (CMT) 1 item
  12. Daniel Defense 8 items
  13. Faxon Firearms 1 item
  14. Form Rifle 5 items
  15. Fortis MFG 4 items
  16. Forward Controls Design 3 items
  17. Grey Birch MFG 5 items
  18. Grey Ghost Precision 1 item
  19. Griffin Armament 2 items
  20. Half Cocked Arms (HCA) 1 item
  21. HERA ARMS 1 item
  22. Heresy Design 1 item
  23. Icarus Precision 2 items
  24. Icon Defense 1 item
  25. Jacob Grey 1 item
  26. JL Billet 4 items
  27. Lantac 1 item
  28. Lewis Machine & Tool (LMT) 12 items
  29. Magpul Industries 4 items
  30. Matador Arms 1 item
  31. Maxim Defense 12 items
  32. MCM Firearms 1 item
  33. Mega Arms 1 item
  34. NEMO Arms 1 item
  35. Next Level Armament 5 items
  36. Noveske 4 items
  37. Patriot Ordnance Factory (POF) 1 item
  38. Primary Weapon Systems 7 items
  39. Q, LLC 1 item
  40. Quarter Circle 10 7 items
  41. R&D Precision 3 items
  42. Radian Weapons 4 items
  43. Rainier Arms, LLC 15 items
  44. Rise Armament 2 items
  45. RogueOps 3 items
  46. Sharps Bros 18 items
  47. Sons of Liberty Gun Works 17 items
  48. Stern Defense 4 items
  49. Tactical Edge Arms 2 items
  50. V Seven Weapon Systems 6 items
  51. VLTOR 1 item
  52. WOOX 4 items
Mount
  1. M-LOK 28 items
  2. Picatinny 5 items
Option
  1. AR-9 4 items
  2. AR-10 4 items
  3. AR-15 51 items
  4. Remington 700 Short Action 2 items
  5. WA 1 item
  6. KS 1 item
  7. Remington 1 item
  8. Sharps Bros 1 item
Platform
  1. 10-22 1 item
  2. AR-9 1 item
  3. AR-10/LR308 5 items
  4. AR-15 36 items
  5. CZ 1 item
  6. H&K 1 item
  7. Ruger 4 items
Product Type
  1. 10/22 Receiver 1 item
  2. AR-10 Complete Lower Receiver 1 item
  3. AR-10 Complete Upper Receiver 1 item
  4. AR-10 Partial Upper Receiver 2 items
  5. AR-10 Receiver Set 2 items
  6. AR-10 Stripped Lower Receiver 2 items
  7. AR-10 Stripped Upper Receiver 1 item
  8. AR-15 Assembled Upper Receiver 4 items
  9. AR-15 Complete Lower Receiver 13 items
  10. AR-15 Complete Upper Receiver 33 items
  11. AR-15 Partial Upper Receiver 22 items
  12. AR-15 Handguard 1 item
  13. AR-15 Receiver Set 14 items
  14. AR-15 Rifle 1 item
  15. AR-15 Stripped Lower Receiver 31 items
  16. AR-15 Stripped Upper Receiver 19 items
  17. AR-9 Lower Receiver 1 item
  18. AR-9 Complete Lower Receiver 1 item
  19. AR-9 Partial Upper Receiver 1 item
  20. AR-9 Receiver Set 3 items
  21. AR-9 Upper Receiver 7 items
  22. Builders Kit 1 item
  23. Chassis 29 items
  24. Complete Upper 10 items
  25. Grip Module 1 item
  26. Lower Receiver 1 item
  27. Partial Upper Receiver 1 item
Rail Length
  1. 3.25" 1 item
  2. 5" 1 item
  3. 6.0" 2 items
  4. 6.375" 1 item
  5. 7" 3 items
  6. 7.25" 1 item
  7. 8" 1 item
  8. 8.5" 1 item
  9. 9" 2 items
  10. 9.2" 1 item
  11. 9.25" 1 item
  12. 9.5" 5 items
  13. 9.55" 3 items
  14. 9.59" 1 item
  15. 10" 5 items
  16. 10.5" 2 items
  17. 10.7" 1 item
  18. 11" 2 items
  19. 11.7" 1 item
  20. 11.75" 1 item
  21. 12" 3 items
  22. 12.5" 3 items
  23. 12.6" 1 item
  24. 12.75" 1 item
  25. 13" 1 item
  26. 13.25" 2 items
  27. 13.7" 1 item
  28. 14" 6 items
  29. 15" 8 items
  30. 15.25" 1 item
  31. 15.3" 1 item
  32. 15.5" 2 items
Size
  1. 5 Slot 1 item
  2. 9 Slot 1 item
Thread Pitch
  1. 1/2x28 (9mm) 1 item
  2. 1/2x28 (.22 cal) 24 items
  3. 5/8x24 (.30 cal) 3 items
Threaded
  1. Yes 15 items
Twist Rate
  1. 1:7 20 items
  2. 1:8 1 item
  3. 1:10 1 item
Stock Status
  1. In stock 195 items Remove This Item
  2. Out of stock 8 items
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