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This AR-15 upper features an 8" .300 Blackout barrel, perfect for both close-quarters combat and precision shooting. The pre-attached 7" Logic M-LOK handguard offers a lightweight, durable platform with ample space for accessories and a secure grip. This upper is the ideal component for a compact, high-performance build.
Includes:
M4E1 Threaded Assembled Upper Receiver
7" Logic M-LOK Handguard
8" .300 Blackout CMV Barrel
Low Profile Gas Block and Pistol Length Gas Tube
Product comes assembled
This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the Finish Your Build tab
The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.
M4E1 Threaded Upper Receiver Features:
New enhanced forging that gives the upper receiver a "billet look"
New picatinny profile that blends seamlessly with our Enhanced Series Handguards
M4 Feedramps
.250 takedown pin holes
Laser engraved T-marks
Includes port door and forward assist installed
Logic M-LOK Handguard Features:
Full top picatinny rail for optional attachments
Functional M-LOK on all sides for full attachment flexibility
Quick disconnect sling socket at the 3, 6 and 9 o'clock positions
Compatible with low profile gas blocks
1.3" Inside diameter
1.53" Outside diameter
Compatible with mil-spec AR15 upper receivers and barrels
8" .300 Blackout Barrel Features:
Pistol Length
Twist Rate: 1:7
Muzzle: 5/8x24 Threaded
Material: 4150 Crome Moly Vanadium
Finish: QPQ corrosion resistant finish both inside and out
Gas Block: .750
Gas Port: .109
Gas System Length: Pistol Length
Weight: 18oz
M4 Barrel Extension
HP and MPI Tested