Thread: question for the ar builders

slowly getting parts together to build an ar15 I'm just going to do an upper for a start as I can hopefully run it on my lower I already have do you guys have a bcg for each upper you run or swap it from one to another it will be the same cal just want a long and short version cheers nd

Personally I have a BCG dedicated to its associated upper, but thats just me

For what you described you'd get away with just 1 BCG, I'd rather have 1 good TiN coated BCG shared between 2 uppers than 2 standard jobbies

But the advantage of a BCG per upper is that the BCG is always left in the upper and ready to go.

My brother was running two uppers and one BCG and we went for a weekend hunt. Should have seen the look on his face when we arrived and went to go for the first stalk and he pulled back on the charging handle ............ and there was nothing there. The BCG was in the other upper!
He was a right royal grumpy pain in the arse all weekend walking around the hills going "Bang - Bang" with no gun.

Originally Posted by hotbarrels

But the advantage of a BCG per upper is that the BCG is always left in the upper and ready to go.

My brother was running two uppers and one BCG and we went for a weekend hunt. Should have seen the look on his face when we arrived and went to go for the first stalk and he pulled back on the charging handle ............ and there was nothing there. The BCG was in the other upper!
He was a right royal grumpy pain in the arse all weekend walking around the hills going "Bang - Bang" with no gun.

Did ya laugh...


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Bolt lugs will wear in to fit the barrel extension. Swapping the same bolt between multiple uppers will cause accelerated bolt wear.

OK cheers gives me an idea of what parts to get

Originally Posted by tiroatedson

Did ya laugh...


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To be honest, I wasn't game to. It was about the most pissed off I had ever seen him.