AR15 A2 w/Trijicon ACOG TA31RCO A4

[MrBharrington]

i had to sell my AR 15 and i have 300 plus rounds of PMC 55 grain .223 ammo if you would like to buy message me

[PZThunderbolt]

Isn't every ACOG capable of being mounted directly on the A" handle?; why use a mount?; doesn't it worsen cheekweld issues?.