I recently ordered the magpul PRS, I assumed at the time it came with the receiver extension, spring and buffer (like my CAA collapsing stock did). After looking at the description on magpul's site more closely, it looks like I need the rifle extension, rifle spring and rifle buffer. Do I need an A1 extension or an A2 version?
It looks like the a1 and a2 versions have different length butt screws too.
It looks like the a1 and a2 versions have different length butt screws too.
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