The ventilated heat shield was integrated with the upper receiver cover, both the barrel and shoulder stock were shortened, the stock's locking mechanism was simplified, the casing ejector was moved to the head of the recoil spring guide rod, the magazine well angle was increased in the ...
idea-suggestion- How about a glock mag insert for the AR-15? 16 Oct 2019 11:11 AM Mussy Cheers mate, although a 2 piece insert would fit in the mag slot the mag release for the new mag would be impossible to activate as you have to open a slot in the lower receiver for the new...