AR uppers

Lazer32 said:
@Dane G I seriously considering going with the 6 ARC after all the recommendations. I might just buy one piece at a time until I have everything. I've learned that acquiring guns is a marathon not a sprint. Gotta pace myself...lol
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X-Caliber has several 20 or 30% off sales though out the year. No doubt they'll be having one shortly for the up coming holidays.
 
I never have and mine have shot MOA or better with decent ammo. The last one i put together was with a BCM upper receiver and they are thermal fit which eliminates the need for lapping. That said my previous upper receiver was from PSA, non-thermal fit, and not lapped and it shot MOA too. My impression on this is it's something only people who are trying to eke out every last ounce of precision they can and not really all that necessary. I hope that brownells video didn't cause more confusion than help šŸ˜
 
The video didn't cause any confusion. I know how it goes. When it comes to guns and reloading everyone takes a different approach. It seems that machining has improved a lot since these things first came into existence. Scope rings come to mind; I don't know anyone that laps scope rings but it might have been something my grandfather would have done and would probably still recommend.
 
Lazer32 said:
It seems that machining has improved a lot since these things first came into existence. Scope rings come to mind; I don't know anyone that laps scope rings but it might have been something my grandfather would have done and would probably still recommend.
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Well said. I couldn't agree more.
 
Lapping an upper can't hurt if done by a gunsmith. One less variable if it doesn't shoot. I've done all of mine and they all shoot very well. I'll skip the interweb bragging but they are very accurate.
 
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