Skip to content

Skip to navigation Skip to content

Your Cart

Most Orders Over $200 Ship FREE!

Order by 3PM Central for Same Day Shipping

Earn cashback with every order! Learn more.

Search

×

Guns & NFA
Mags
- 5.56/300BLK
- SR25/AR10
- 6mm ARC
- AK
- Handgun
- PCC & Subgun
- Parts & Accessories
Ammo
Parts & Accessories
Lights
Sights & Optics
- Optics
- LPVO & Scope Mounts
  - 30mm
  - 34mm
  - 35mm
- Mount Accessories
  - 30mm
  - 34mm
  - 35mm
- Red Dot Mounts & Risers
- Iron Sights
- IR Devices
Gear
Cleaning, Lube & Tools
Glock Parts
- Gen 3
- Gen 4
- Gen 5
- Gen 6
- Slimline
- Sights
- MOS Optic Plates
HK Parts
- USP
- MP5 & MP5K
- MP7
- HK416 & MR556
- HK417 & MR762
1911 & 2011
Other Gun Parts
Brands
Training
Blog
Support

Browse

Want to Chat?

Contact Us

Social

Facebook Instagram

Search

×

Browse

My Account
Customer Support

Want to chat?

Social

Facebook
Instagram
YouTube

All inventory is live; if it’s in-stock, it’s ready to ship!

All AR Upper Parts

Home / All AR Upper Parts / Page 5

Showing 73–90 of 312 results

←
1
2
3
4
5
6
7
8
…
16
17
18
→

All AR Upper Parts, Barrels, LMT MRP Barrels

LMT MRP 16″ 5.56 Midlength Barrel
Rated 5.00 out of 5
$554.40 Add to Cart
All AR Upper Parts, Other Upper Parts

Badger Ordnance TDX Low Profile Gas Block with Set Screws, .625″
Rated 4.57 out of 5
$67.50 Add to Cart
All AR Upper Parts, Barrels, LMT MRP Barrels

LMT MRP 10.5″ .300 Blackout Barrel
Rated 5.00 out of 5
$554.40 Add to Cart
All AR Upper Parts, Bolts & BCG Parts

Centurion Arms V2 Enhanced Dual Ejector Bolt Assembly, Chrome
Rated 5.00 out of 5
$118.75 Add to Cart
All AR Upper Parts, MLOK Rails, Rails & Handguards

Bravo Company MCMR M-LOK Rail, 13″ Black
Rated 5.00 out of 5
$224.95 Add to Cart
All AR Upper Parts, Bolts & BCG Parts

Centurion Arms Sandcutter Bolt Carrier, Chrome
Rated 5.00 out of 5
$190.00 Add to Cart
All AR Upper Parts, MLOK Rails, Rails & Handguards

Geissele MK16 SMR Super Modular Rail, 10.5″ MLOK, Desert Dirt Color
$350.00 Add to Cart
16", All AR Upper Parts, AR15/M4 Barrels, Barrels

Sons of Liberty Gun Works 16″ .223 Wylde Midlength Precision SPR Barrel
Rated 5.00 out of 5
$399.00 Add to Cart
All AR Upper Parts, Other Upper Parts

Badger Ordnance TDX Low Profile Gas Block with Set Screws, .750″
$67.50 Add to Cart
All AR Upper Parts, Barrels, LMT MRP Barrels

LMT MRP 14.5″ 5.56 Piston Barrel, Gen 2
Rated 5.00 out of 5
$716.85 Add to Cart
5.56 & .223 Muzzle Devices, All AR Upper Parts, Muzzle Devices

Dead Air Keymo Muzzle Brake, 5.56, 1/2×28
Rated 5.00 out of 5
$89.00 Add to Cart
5.56 & .223 Muzzle Devices, All AR Upper Parts, CX, HX, Muzzle Devices

Knight’s Armament 3T Enhanced Compensator Kit – 5.56 Triple Tap, 1/2×28
Rated 5.00 out of 5
$299.59 Add to Cart
5.56 & .223 Muzzle Devices, All AR Upper Parts, Muzzle Devices

Forward Controls Design 1215KM 5.56 Muzzle Brake, 1/2×28
Rated 5.00 out of 5
$104.50 Add to Cart
12.5", All AR Upper Parts, AR15/M4 Barrels, Barrels

Criterion Core 12.5″ .223 Wylde Carbine Barrel, 1:8 Twist
Rated 5.00 out of 5
$313.49 Add to Cart
5.56 & .223 Muzzle Devices, All AR Upper Parts, Cleaning, Lubrication & Tools, Muzzle Devices, Tools

LaRue Tactical Muzzle Device & Alignment Shim Set for 1/2×28
$9.99 Add to Cart
All AR Upper Parts, July 30, MLOK Rails, Rails & Handguards

Geissele MK16 SMR Super Modular Rail, 10.5″ MLOK, Black
Rated 5.00 out of 5
$325.00 Add to Cart
All AR Upper Parts, Barrels, LMT MRP Barrels

LMT MRP 10.5″ 5.56 Carbine Barrel
$554.40 Add to Cart
18", All AR Upper Parts, AR15/M4 Barrels, Barrels

Criterion Core 18″ .223 Wylde Rifle Barrel, 1:8 Twist
Rated 3.67 out of 5
$313.49 Add to Cart

Showing 73–90 of 312 results

←
1
2
3
4
5
6
7
8
…
16
17
18
→

Search

×

Shop by Brand

Product categories

STORE

Home
About
Support
Heroes Program

ACCOUNT

account
privacy policy
terms and conditions

FOLLOW

Instagram
Youtube
Facebook
Reddit

SIGN UP

Sign up for our mailing list to be the first to know when new deals drop!

Your email:

Home of the Fastest Sweatshop in the West

© Rooftop Defense 2026. All Rights Reserved.

STORE

Home
About
Support
Heroes Program

ACCOUNT

account
privacy policy
terms and conditions

FOLLOW US

Instagram
Youtube
Facebook
Reddit

SIGN UP

Sign up for our mailing list to be the first to know when new deals drop!

Your email:

Home of the Fastest Sweatshop in the West

© Copyright Rooftop Defense 2025. All Rights Reserved.