AR .300 BLACKOUT 7.5" PISTOL LENGTH 1:7 TWIST W/ 4.5" M-LOK HANDGUARD - UPPER ASSEMBLY
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Every Upper Build is Test Fired Before Shipment To Guarantee Performance. We do not guarantee cycling with all ammunition due to vast differences in the quality of ammunition. We will not warranty cycling with imported, steel cased or reloaded rounds.
No Bolt Carrier Group included.
Includes:
- AR-15 Complete Upper Receiver Assembly w/Forward Assist & Dust Cover
- AR-10 Steel Crush Washer 5/8x24
- AR-15 / AR-10 Pistol Length Gas Tube 6.75" - Stainless Steel
- .750 Low Profile Steel Gas Block with Roll Pins & Wrench -Black
- AR-15 Tactical "BAT" Style Charging Handle w/ Oversized Latch Non-Slip - Black
- 308 Birdcage Muzzle Brake for 5/8"x24 Pitch - 5 Ports
- AR-15 4.5" M-LOK Super Slim Light Free Float Handguard (MADE IN USA)
- AR-300BLK/300AAC 8.5" Inch Rifle Barrel 1:8 Twist Black Nitride (Made in USA)
WARNING to California Residents: ⚠️ According to California's Proposition 65, some products sold on this website may expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
We Ship Fast!
Most orders usually ship within 48 bussiness hours. Cerakote products may take 5 business days to process.
- Product Code: UB300-P7.5-4ML-NG
- Availability: In Stock
Available Options
The extended and grooved head on the pin makes separating the upper and lower receivers easier and f..
The extended and grooved head on the pin makes separating the upper and lower receivers easier and f..
This Mil-Spec AR-15 Hammer Spring is lightweight and durable and made of stainless steel. Features:..
This Mil-Spec AR-15 Trigger Spring is lightweight and durable and made of stainless steel. Features..
Our custom Free Float Quad Rails are available in 5 lengths, from 4" Pistol to the 16" Extended Rifl..
This AR-15 Pistol Buffer Tube Assembly includes all the parts needed for the back end of an AR-15 Pi..
Our AR-15 Lower Receiver Parts Kits (LPK's) include everything you'll need to put together a well-fu..
Our
AR-15 Lower Receiver Parts Kits (LPK's) include everything you'll need
to put together a well-..
Every Upper Build is Test Fired Before Shipment To Guarantee Performance. We do not guarantee c..
Our Birdcage Muzzle Brake/Flash Hider with 5 slots and solid bottom is designed in the standard A2 s..
The Shockwave Blade is a lightweight and ATF approved solution to enhancing your AR. The Shockwave B..
This Barrel Nut Kit is designed for free float quad rail systems and fits standard AR-15 upper recei..
These 0.32mm stainless steel shims fit between the barrel nut and AR-15 upper receiver to allow for ..
Part of a Delta Ring Assembly and used to attach the barrel to the upper receiver when using a Drop-..
This is our .625" diameter Low Profile Gas Block designed to
accommodate the narrower barrel and f..
This is our standard AR-15 Charging Handle Assembly. Comes with protective plastic packaging. Featu..
Features:Length: 16".300 BLK (AAC Blackout)1:8 Twist.750" gas block diameterPistol gas system with a..
Our fixed position Mil-Spec Pistol buffer tube/receiver extension is made of durable CNC machined T6..
Our "Tanker" muzzle brake has 6 large 45 degree rearward-facing side ports, redirecting pressure and..
DPMS
COMPATIBLEOur
custom Multi-Ported AR-10, .308 muzzle brake has a unique ribbed design with
13..
This Jam Nut is used in place of a crush washer or shim kit to properly
align a muzzle brake. It c..
This steel buffer tube spring measures 10.75" long and fits carbine AR-15 buffer tubes. It's lightwe..
This fixed position Mil-Spec Pistol buffer tube/receiver extension is designed to be compatible with..
This carbine length heavy collapsible stock buffer assembly provides smoother function and helps to ..
Our fixed position Mil-Spec Pistol buffer tube/receiver extension is made of durable CNC machined T6..
This is our standard AR-15 Low Profile Gas Block. Designed with the minimum profile to fit under nea..
Our Birdcage Muzzle Brake/Flash Hider with 5 slots with 1/2"x36 thread pitch. It's constructed of so..
Includes:AR 9mm Custom Bolt Carrier Group- Black NitrideAR-15 Stripped Upper Receiver (Made in USA)A..
Includes:AR 9mm Custom Bolt Carrier Group- Black NitrideAR-15 Stripped Upper Receiver (Made in USA)A..
Features::Length: 7.5" Pistol5.56 NATO1:7 Twist.750" gas block diameterPistol gas system with a..
Our Pineapple Muzzle Brake with 6 slots and solid bottom is designed for AR-9mm 1/2x36" th..