You must be 18 to view and use this website

Pursue Your Passion

Rainier Arms on Instagram Tuebor Coin

Complete Upper Receivers

View as Grid List

Items 1-16 of 96

Page
per page
  16. Maxim Defense SDX 510 5.56 NATO Integrally Suppressed Upper - 10.3" Arid
    Maxim Defense SDX 510 5.56 NATO Integrally Suppressed Upper - 10.3" Arid
    $2,155.50
    As low as $77.92/mo with . Learn More
    Add to Wish List Add to Compare
View as Grid List

Items 1-16 of 96

Page
per page
Shop By
Shopping Options
Barrel Length
  1. 4" 1 item
  2. 5" 2 items
  3. 5.5" 10 items
  4. 6" 1 item
  5. 7.5" 2 items
  6. 7.75" 1 item
  7. 7.94" 1 item
  8. 8" 2 items
  9. 8.3" 2 items
  10. 8.5" 5 items
  11. 9.5" 1 item
  12. 9.75" 1 item
  13. 10.3" 14 items
  14. 10.5" 7 items
  15. 11" 1 item
  16. 11.5" 5 items
  17. 11.85" 3 items
  18. 12.5" 2 items
  19. 13" 2 items
  20. 13.7" 2 items
  21. 13.9" 1 item
  22. 14.5" 9 items
  23. 16" 13 items
  24. 16.1" 1 item
  25. 16.25" 1 item
  26. 16.5" 1 item
  27. 18" 3 items
Barrel Profile
  1. Non-fluted 1 item
Caliber
  1. .22 ARC 1 item
  2. .223/5.56 1 item
  3. .223 Wylde 5 items
  4. .45 ACP 1 item
  5. 300 Blackout 15 items
  6. 5.56X45 2 items
  7. 5.56 NATO 43 items
  8. 6mm ARC 1 item
  9. 7.62x39 6 items
  10. 9mm 15 items
Color
Configuration
  1. Mil-Spec 1 item
Finish
  1. Arid 2 items
  2. Cerakote 5 items
  3. Anodize 11 items
Gas Block Diameter
  1. .750" 23 items
Gas System
  1. Blowback 1 item
  2. Pistol 5 items
  3. Carbine 13 items
  4. Mid 19 items
  5. Rifle 2 items
Manufacturer
  1. Angstadt Arms 1 item
  2. Bravo Company MFG (BCM) 3 items
  3. Daniel Defense 10 items
  4. Dead Foot Arms LLC 2 items
  5. Faxon Firearms 2 items
  6. Fightlite Industries 1 item
  7. Geissele 3 items
  8. Heckler & Koch 2 items
  9. Matador Arms 2 items
  10. Maxim Defense 17 items
  11. Next Level Armament 1 item
  12. Noveske 10 items
  13. Primary Weapon Systems 10 items
  14. Q, LLC 2 items
  15. Quarter Circle 10 3 items
  16. R&D Precision 3 items
  17. Radian Weapons 2 items
  18. Rainier Arms, LLC 5 items
  19. Riflespeed 5 items
  20. Rise Armament 1 item
  21. Sig Sauer 4 items
  22. Sionics Weapon Systems 2 items
  23. Sons of Liberty Gun Works 1 item
  24. Stern Defense 3 items
  25. VKTR Industries 1 item
Model
  1. Sig MCX 2 items
Mount
  1. M-LOK 27 items
  2. Picatinny 4 items
Option
  1. AR-10 1 item
  2. AR-15 5 items
  3. MCS 2 items
  4. Full Size 2 items
Platform
  1. AR-9 1 item
  2. AR-10/LR308 1 item
  3. AR-15 29 items
  4. Sig Sauer 3 items
Price
  1. $0.00 - $999.99 31 items
  2. $1,000.00 - $1,999.99 56 items
  3. $2,000.00 - $2,999.99 7 items
  4. $4,000.00 and above 2 items
Product Type
  1. AR-10 Complete Upper Receiver 1 item
  2. AR-15 Complete Upper Receiver 68 items
  3. AR-15 Upper Receiver Group 1 item
  4. AR-9 Upper Receiver 7 items
  5. Complete Upper 18 items
  6. Suppressor 1 item
Rail Length
  1. 6.0" 2 items
  2. 6.91" 1 item
  3. 7" 3 items
  4. 8" 1 item
  5. 8.5" 1 item
  6. 9.3" 1 item
  7. 9.5" 5 items
  8. 9.75" 4 items
  9. 10" 1 item
  10. 10.5" 2 items
  11. 10.7" 1 item
  12. 10.75" 1 item
  13. 11" 2 items
  14. 11.5" 1 item
  15. 12" 2 items
  16. 12.5" 2 items
  17. 12.55" 1 item
  18. 13" 1 item
  19. 13.5" 2 items
  20. 15" 7 items
  21. 15.25" 1 item
  22. 16" 1 item
Thread Pitch
  1. 1/2x28 (9mm) 4 items
  2. 1/2x28 (.22 cal) 27 items
  3. 1/2x36 1 item
  4. 5/8x24 (.30 cal) 8 items
Threaded
  1. Yes 12 items
Twist Rate
  1. 1:6 1 item
  2. 1:7 27 items
  3. 1:8 7 items
  4. 1:10 3 items
Stock Status
  1. In stock 40 items
  2. Out of stock 56 items
My Wish List
Last Added Items
You have no items in your wish list.
Google Customer Reviews Google Customer Reviews