BCMGUNFIGHTER Assembled Upper Receiver - BCM4-UR-M4

The Bravo Company Manufacturing M4 Upper Receiver Assembly is professional grade weaponry. Precision machined to MIL-SPEC from a 7075-T6 aluminum forging provides this upper with exceptional strength. The inside diameter of the receivers threaded bore has been slightly undersized to provide a tighter fit with the barrel extension, resulting in a more accurate rifle.

NOTE: Please use a heat gun or hair dryer to warm up threaded bore of receiver if barrel extension is too tight.

Features:

• Laser engraved T-markings
• No BCM logo etched on the rear of the rail
• Marked BCM4 over the gas tube port
• 7075-T6 aluminum
• Factory assembled forward assist, and ejection port cover
• Hardcoat Type III, Class 2 anodized
• Dry film lube on interior bore per MIL-SPEC
• Made in the U.S.A.