Product Description
MCS AR-15 .300 BLACKOUT COMPETITION 7.5 INCH PISTOL UPPER
The MCS Competition Upper Build Kit is a 300 Blackout AR-15 pistol upper package built around a MCS slick side billet upper receiver and a 7.5 inch steel barrel, paired with an ACE-20 Series 7 inch free float M-LOK handguard. The slick side design of the receiver gives the build a clean profile along the upper, and the billet construction is made in the USA. This build also includes a 308 flash and sound forwarder and an ejection port door with rod and spring.
Platform: AR-15
Caliber: .300 Blackout
Barrel Length: 7.5"
Barrel Profile: HBAR
Barrel Material: Steel
Barrel Finish: Phosphate
Twist Rate: 1:8
Thread Pitch: 5/8x24
Gas System: Pistol-Length
Gas Tube: Pistol-Length Gas Tube
Gas Block: MCS Premium Low-Profile Adjustable Gas Block (.750)
Upper Receiver: MCS Slick Side Billet AR-15 Upper Receiver
Receiver Material: Billet Aluminum
Receiver Origin: Made in USA
Handguard: ACE-20 Series 7" Free-Float M-LOK Handguard
Muzzle Device: .308 Flash/Sound Forwarder
Muzzle Device Finish: Nitride
Ejection Port Cover: AR-15 .223/5.56 Ejection Port Door with Rod and Spring
