Description
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100-034-986WB
MK109 PRO Complete Upper Receiver 9.75" Black
Cartridge: 300 AAC Blackout
Finish: Black
Style: Complete
Length: 18.5"
Muzzle: Flash Hider
Twist: 1-8
A Cost-Effective, Long-Stroke Piston Upper Exclusively From Brownells!
The Primary Weapons System long-stroke gas-piston upper receiver is one of the more-innovative developments to hit the AR-15 market in recent years, and now, you can get your hands on a unique variant of this system straight from Brownells! The PWS MK109 PRO upper receiver chambered in 300 Blackout contains everything you need to get your AR-15 set up right.
Of course, this system features the unique, long-stroke system that Primary Weapons Systems upper receivers are known for, plus this system includes a few extras that make it a must-have! The PWS upper is a complete system, so you'll get a bolt-carrier group, as well as a Radian Weapons Raptor charging handle.
- Barrel length: 9.75 inches
- Overall length: 18.5 inches
- Weight: 3 pounds, 10 ounces
- All-black finish
Other features found in the PWS MK109 PRO upper receiver include a free-float, M-LOK handguard, an adjustable gas system and a short barrel equipped with an optimized 1:8-inch twist rate.
MPN#: 19PM109UB0B
100-034-986WB
OOS