Not too long ago Brownell's had Bushmaster stripped uppers & lowers on sale for $49.99. It seems I just couldn't pass up that deal so I got one of each. I figured I'd put together another AR "eventually". Well, that plan changed into building a "no excuses" gun for high-power service rifle competition. I want the rifle to be good enough so that when it's done, there will be no doubt that it's MY fault whenever the nine ring (or worse) gets perforated.
I am concerned that these units wobble considerably when they are pinned together. What (beyond an "accuwedge") can I do about this? I remember something in the CMP rules about it being legal to put a screw through somewhere around the pistol-grip area into the upper, but I don't know anybody who's done that, or even talked about doing that. How common is that?
What other effective options are out there?
I am concerned that these units wobble considerably when they are pinned together. What (beyond an "accuwedge") can I do about this? I remember something in the CMP rules about it being legal to put a screw through somewhere around the pistol-grip area into the upper, but I don't know anybody who's done that, or even talked about doing that. How common is that?
What other effective options are out there?