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Eroland7
07-09-2009, 2:40 PM
maybe a stupid question, maybe not? If i have a complete ar-15 lower with stock, can i switch back and forth between 2 different uppers on it? Lets say i have a 16 inch upper i use for plinking, then i take that off and put a 20" upper oon it with a scope for hunting. Will there be any issues if each upper has its own BCG? What problems might i run into?

dboy4ever
07-09-2009, 2:42 PM
I don't see why not. Yeah it's a good idea to pair each upper with its own BCG.

Eroland7
07-09-2009, 2:44 PM
yea i heard there can deffinately be issues moving bolts back and forth between diff uppers...

missiontrails
07-09-2009, 2:47 PM
Absolutely.

Eroland7
07-09-2009, 2:48 PM
thanks guys, just making sure i wasnt overlooking something obvious...

Wyseguy
07-09-2009, 2:50 PM
The obvious is - don't use a 308 upper with a "multiple caliber" lower.

Eroland7
07-09-2009, 2:53 PM
The obvious is - don't use a 308 upper with a "multiple caliber" lower.


HA! deffinately not... thanks.

fusionstar
07-09-2009, 2:57 PM
Yes, as long as the upper has its own paired Bolt. You can get by with using the same carrier in all your uppers, but switching them out every time you want to shoot a different upper can be a pain. But use the same cam pin that came from the carrier as that has been broken into the carrier. Not a big issue but will run smoother.

Swapping bolts can cause headspace issues, and can cause overpressure and explosions. If you do swap bolts or buy a used bolt, get it headspaced.

Barney Gumble
07-09-2009, 3:01 PM
Where do people get the idea that threads should be deleted when the question is answered? Seems to come up regularly.

fusionstar
07-09-2009, 3:57 PM
Threads should stay alive so others can search for them. They will slowly be shoved to the back in a day or two.

Barney Gumble
07-09-2009, 4:48 PM
Well, no one is going to delete them anyway. I just wonder who's planting this silly idea in people's heads that threads get deleted.

Brutish
07-09-2009, 4:57 PM
Well, no one is going to delete them anyway. I just wonder who's planting this silly idea in people's heads that threads get deleted.

I think it is a result of excessive drug use.