AR15 14.5" 5.56 Carbine-Length M4 QPQ Complete Upper w/ 13.5" M-LOK Slimline Handguard - Anodized Black

This complete upper includes our Slimline M-LOK Handguard! The M-LOK SL Handguard series offers fore-end versatility for the AR15 platform like never before. Using the M-LOK attachment sections, you can customize the setup of your handguard.

Includes:

• AR15 Assembled Upper Receiver
• 13.5" Slimline Handguard
• 14.5" 5.56 M4 QPQ Barrel, Carbine Length
• Low Profile Gas Block and Carbine 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. Per the National Firearms Act, the muzzle brake MUST be pinned and welded to achieve the necessary 16" as defined by the ATF for a rifle build.

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

Slimline 15 Handguard Features:

• Full top picatinny rail for optional attachments
• Full length MLOK attachment points at the 3, 6, and 9 o’clock positions
• Compatible with low profile gas blocks
• 1.3” Inside diameter
• 1.5” Outside diameter
• Compatible with mil-spec AR15 upper receivers and barrels

14.5" 5.56 M4 QPQ Barrel, Carbine Length Features:

• Chamber: 5.56
• Length: 14.5"
• Twist: 1 in 7
• Threading: 1/2"x28
• Material: 416R Stainless Steel
• Finish: QPQ corrosion resistant
• Gas Block: .750
• Gas Port: .0785
• Gas System Length: Carbine
• Weight: 25.28 oz
• M4 Barrel Extension
• HP and MPI Tested