Pursue Your Passion
My Cart

Discord

Menu
Account

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.

Dark mode is

View as Grid List

Items 1-16 of 67

Page
per page
  1. V Seven Weapon Systems 6.5 Creedmoor Fluted Stainless Match Barrel - 22"
    V Seven Weapon Systems 6.5 Creedmoor Fluted Stainless Match Barrel - 22"
    $630.50
    Out of stock
    Add to Wish List Add to Compare
  2. Faxon Firearms .458 Socom 4150 Nitride Gunner Barrel - 16"
    Faxon Firearms .458 Socom 4150 Nitride Gunner Barrel - 16"
    $257.60
    Out of stock
    Add to Wish List Add to Compare
  3. V Seven Weapon Systems 6.5 CREEDMOOR FLUTED STAINLESS MATCH BARREL - 20
    V Seven Weapon Systems 6.5 CREEDMOOR FLUTED STAINLESS MATCH BARREL - 20
    $627.59
    Out of stock
    Add to Wish List Add to Compare
  4. Noveske Afghan 5.56MM Barrel - 14.5
    Noveske Afghan 5.56MM Barrel - 14.5
    $408.50
    Out of stock
    Add to Wish List Add to Compare
  5. Noveske Recon Stainless Lo-Pro Gas Block Barrel 5.56 - 16"
    Noveske Recon Stainless Lo-Pro Gas Block Barrel 5.56 - 16"
    $418.00
    Out of stock
    Add to Wish List Add to Compare
  6. Noveske N4 Light 5.56MM Barrel - 10.5 LP
    Noveske N4 Light 5.56MM Barrel - 10.5 LP
    $450.00
    Out of stock
    Add to Wish List Add to Compare
  7. Noveske SPR 5.56MM Barrel - 18
    Noveske SPR 5.56MM Barrel - 18
    $451.25
    Out of stock
    Add to Wish List Add to Compare
  8. Noveske Lightweight Stainless Barrel - 18"
    Noveske Lightweight Stainless Barrel - 18"
    $451.25
    Out of stock
    Add to Wish List Add to Compare
  9. Faxon Firearms AR-15 Match Series .223 Wylde 416R Nitride Barrel - 16"
    Faxon Firearms AR-15 Match Series .223 Wylde 416R Nitride Barrel - 16"
    $216.20
    Out of stock
    Add to Wish List Add to Compare
  10. Ballistic Advantage 300 Blackout Hanson Profile - 8.3"
    Ballistic Advantage 300 Blackout Hanson Profile - 8.3"
    $199.50
    Out of stock
    Add to Wish List Add to Compare
  11. Noveske CQB 5.56MM Barrel - 10.5
    Noveske CQB 5.56MM Barrel - 10.5
    $351.50
    Out of stock
    Add to Wish List Add to Compare
  12. Noveske 14.5" Lightweight 5.56mm Stainless Barrel
    Noveske 14.5" Lightweight 5.56mm Stainless Barrel
    $408.50
    Out of stock
    Add to Wish List Add to Compare
  13. Noveske CHF Chrome Lined Lo-Pro Gas Block 5.56 NATO Barrel - 14.5"
    Noveske CHF Chrome Lined Lo-Pro Gas Block 5.56 NATO Barrel - 14.5"
    $522.50
    Out of stock
    Add to Wish List Add to Compare
  14. Faxon Firearms Gunner AR-15 5.56 NATO Barrel w/ Integral 3 Port Brake - 16"
    Faxon Firearms Gunner AR-15 5.56 NATO Barrel w/ Integral 3 Port Brake - 16"
    $239.20
    Out of stock
    Add to Wish List Add to Compare
  15. Faxon Firearms Tapered AR-15 9MM Barrel w/ Integral Muzzle Brake - 16"
    Faxon Firearms Tapered AR-15 9MM Barrel w/ Integral Muzzle Brake - 16"
    $202.40
    Out of stock
    Add to Wish List Add to Compare
  16. Faxon Firearms AR-15 5.56 SOCOM Profile Barrel - 10.5
    Faxon Firearms AR-15 5.56 SOCOM Profile Barrel - 10.5
    $142.60
    Out of stock
    Add to Wish List Add to Compare
View as Grid List

Items 1-16 of 67

Page
per page
Shop By
Now Shopping by
  1. Product Type Barrel Remove This Item
Clear All
Shopping Options
Barrel Length
  1. 5.5" 1 item
  2. 6" 2 items
  3. 6.5" 1 item
  4. 7.5" 1 item
  5. 8" 4 items
  6. 8.3" 1 item
  7. 8.5" 3 items
  8. 9" 1 item
  9. 10.5" 7 items
  10. 11.5" 2 items
  11. 12" 2 items
  12. 12.5" 5 items
  13. 14.5" 6 items
  14. 16" 15 items
  15. 18" 7 items
  16. 20" 9 items
  17. 22" 2 items
Barrel Profile
  1. Full-fluted 2 items
  2. Non-fluted 1 item
Caliber
  1. .223/5.56 1 item
  2. .223 Wylde 3 items
  3. .308 Win 2 items
  4. .458 Socom 1 item
  5. 300 Blackout 8 items
  6. 5.56X45 1 item
  7. 5.56 NATO 18 items
  8. 6mm ARC 3 items
  9. 6.5 Creedmoor 3 items
  10. 6.5 Grendel 1 item
  11. 6MM Creedmoor 1 item
  12. 7.62x51 1 item
  13. 9mm 8 items
Category
  1. Barrels 2 items
  2. Bolt Parts 1 item
Color
Configuration
  1. .750 DIA 14 items
Finish
  1. Bead Blast 1 item
  2. Black 1 item
  3. Melonite 1 item
  4. Nitride 5 items
Gas Block Diameter
  1. .625" 2 items
  2. .750" 22 items
  3. .875" 1 item
Gas Length
  1. Pistol 7 items
  2. Carbine 8 items
  3. Mid 17 items
  4. Rifle 10 items
  5. Rifle +2 2 items
Is Firearms?
  1. No 67 items
Manufacturer
  1. Angstadt Arms 1 item
  2. Ballistic Advantage 14 items
  3. Centurion Arms 1 item
  4. CMMG 1 item
  5. Faxon Firearms 24 items
  6. Lewis Machine & Tool (LMT) 1 item
  7. Noveske 14 items
  8. Rainier Arms, LLC 2 items
  9. Sig Sauer 1 item
  10. Spinta Precision 4 items
  11. V Seven Weapon Systems 4 items
Mount
  1. KeyMod 3 items
Option
  1. AR-15 3 items
  2. Standard 3 items
  3. Non-Adjustable 4 items
Platform
  1. AR-9 1 item
  2. AR-15 2 items
Price
  1. $0.00 - $99.99 2 items
  2. $100.00 - $199.99 20 items
  3. $200.00 - $299.99 19 items
  4. $300.00 - $399.99 8 items
  5. $400.00 - $499.99 9 items
  6. $500.00 - $599.99 4 items
  7. $600.00 - $699.99 4 items
  8. $700.00 and above 1 item
Rail Length
  1. 10" 3 items
Size
  1. 35mm rings 3 items
Thread Pitch
  1. 1/2x28 18 items
  2. 5/8x24 14 items
Threaded
  1. Yes 10 items
Twist Rate
  1. 1:5 1 item
  2. 1:7 10 items
  3. 1:7.5 1 item
  4. 1:8 4 items
  5. 1:10 5 items
Stock Status
  1. Out of stock 67 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