This is a great shot courtesy of PRIMARY WEAPON SYSTEMS.
The Created a cut-away AR-15 to show off all the anatomy of what makes their weapons awesome!!!
I’m a HUGE fan of PWS because I have been behind one with thousands of rounds.
Also, If you look closely their new CQB muzzle device is installed.!
[…] Primary Weapon Systems has made the MK109 PRO uppers are available exclusively through Brownells. […]