Thoughts on BCM blem upper receivers? | Sniper's Hide Forum
2019年1月29日 · Thinking of using one of these to build a short 5.56 upper. I have used a couple of the standard BCM upper receivers and they have always been great.
BCM Blem Uppers - AR15.COM
2016年1月4日 · Rainier Arms has their stripped non-blem uppers on sale for $50. They have both a standard upper and one without a forward assist. Rainier Arms Forged Mil-Spec Upper …
Stripped Uppers, BCM Thermal-Fit vs Generic? - AR15.COM
2024年11月3日 · Heat upper to at least 250degF, 3.) torque barrel nut to at least 40ftlbs but no more than 80ftlbs, 4.) retorque as often as needed to align gas-tube... "It's alive...It's …
BCM Upper Receiver Lapping/Truing... - AR15.COM
2021年8月9日 · A BCM blem upper from 2015 was not thermal fit. The 3 blem uppers that I have bought from BCM the past 3 years have required thermal fit. So if thermal fit is not new, BCM …
BCM Blemished Upper = awesome deal (pics) - AR15.COM
2013年4月10日 · Just got my BCM blemished upper in the mail today thought I'd share a few pictures to illustrate the condition to all you aspiring builders . I know when I was hunting for …
Stripped upper aero vs bcm - AR15.COM
2024年3月6日 · I know the bcm is a tighter fit and needs a heat gun, but if I already lap and use green loctite to bed the barrel extension is there a reason to spend the extra money on a bcm …
*COSMETIC BLEM* BCM® Standard 14.5" Mid Length Complete …
2024年4月15日 · This feature is offered on all BCM upper receivers and all BCM barrels. T-Marked Upper Receiver The contemporary M16/M4 rifle is built around the concept of …
BCM Blem Upper Receiver In Stock - AR15.COM
2021年7月1日 · ahhhh the ol bcm blems.I have a ton of them..In the past I could order 5 and they all be perfect. anymore I feel they are purposely putting blemishes on them. all mine within the …
Uppers BCM or Aero - AR15.COM
2020年4月5日 · For the casual shooter, I doubt there will be much of an appreciable difference. The BCM name carries a little more weight, and that matters to some people. As others have …
BCM Receiver Set - AR15.COM
2024年11月18日 · No clue. Email them. It's easy enought to piece it together. I've never bothered using one of their lowers. I'm not hung up on roll marks. Anymore I generally use a stripped …