I'm thinking about buying a BCA Upper. I like the side charger they have but wondering if at other Bolt Carrier Groups would work in that upper? Thanks for any help in advance!
BCA Upper accept other BCG?
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I haven't looked at these for a while but there seem to be 2 types of side chargers, ones with the handle bolted into the carrier thru the eject port and those that have a left-side handle connecting to the cam pin. Any bcg that mimics the bca style should work. In the case of those with the left-side style you usually only need a special cam pin for it to work with any other bcg assembly."Down the floor, out the door, Go Brandon Go!!!!!"
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Originally posted by Hayden9801 View PostHave you built any using a BCA upper and one of the ones you mentioned. I just hate to buy one and not work. To have to turn around and buy something else.
There's nothing wrong with them. I currently have 2 of the Lantac side charging uppers. One with a Young Mfg bcg & one with the Eisenach bolt carrier.
I have a Mega as well with the Young Mfg bcg.
I'm building a pistol build with the CMT upper.
The Lantac is probably my favorite. It works with any handguard & is built like a tank.
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I have this side charge upper & BCG from Precision Firearms on my 6.5 Grendel AR. You can also use a standard charging handle if you wish. You can't do that with a BCA upper. It might be above your price range though but if you decide on this unit, you'd have to thermal fit the barrel.
We've done it again! Heavy Walled Upper Receiver precision machined from 7075 T6 Billet Aluminum. Much stiffer and stronger than a Forged Upper. Very close attention to detail is evident in this upper. Each Unit is serial numbered to help with quality control and responsibly of our machine Techs and goes through a comprehensive 25 Step Quality inspection. Each unit is engraved with 7075 so there is no question as to material used. The bore through center is Roller Burnished to create a Super Smooth surface for the carrier system. Notice relief cuts along rail to help prevent damage to rail when mounting accessories (no more white lines along edge of rail). Bolt catch area is enlarged to allow for use of ambi or extended bolt releases. INCLUDES Super Match carrier (no Bolt). No Forward Assist. Not needed with Right Side Reciprocating charging handle. No Shell Deflector or Port Cover Our Carrier modified to work with the side charge. M4 Feed Ramps Still accepts top standard charging handle for back-up. Feel fre...I refuse to be victimized by notions of virtuous behavior.
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Originally posted by Old Bob View PostI have this side charge upper & BCG from Precision Firearms on my 6.5 Grendel AR. You can also use a standard charging handle if you wish. You can't do that with a BCA upper. It might be above your price range though but if you decide on this unit, you'd have to thermal fit the barrel.
https://www.precisionfirearms.com/m8...-receiver.html
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