BKF M4 MOD-0 Assembled Upper Receiver – Black (Light T-Marks)

SKU: BKF-M4M0-UA

Thermal fit mil-spec upper receiver

Merchant	Price	Availability
	Price: $76.59	Availability.: In stock	Buy

Prices last updated Apr 26, 2025 12:24 PM (CT)

* Product prices and availability are accurate as of the date/time indicated and are subject to change.

The M4 MOD-0 uppers are held to tighter tolerances, Dry film lubed and tight fitting when paired with our M4 MOD-0 Lowers. Forged from 7075-T6 aluminum, this stripped upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps. Match this upper with one of our M4 MOD-0 lower receivers for a solid and dependable fit. This upper receiver has laser engraved T-Marks. (The Inside Diameter for the barrel extension is slightly undersized for a tighter fit to the barrel and will produce a more accurate rifle. Please note: you may need to use a heat gun or hair dryer to warm up threaded bore of receiver and freeze your barrel if your barrel extension is too tight.)

Features:

Products specifications

Color	Black
Assembled	Yes
T-Marks	Yes
Complete Upper	Yes (Forward assist & ejection port cover included)