Not known Factual Statements About ar 15 uppers complete 20 inch barrel a2 colt
One of the modifications accomplished to enhance reliable feeding incorporated boosting the angle plus the length of your feed ramps. This USGI modification was completed to both equally the barrel extension and the upper receiver, developing a lengthier and steeper feed ramp.Crafted for uncompromising reliability and longevity, the M16A2 incorpora