Originally Posted by
sinister
By your post (and the other one) this is a Young "National Match BCG."
You do know there is no United States military or industry standard for National Match anything for the M16 and AR-15, correct? You bought into Young's snake-oil marketing. Their web site even states their carriers are NOT mil-spec.
Your other thread says you've got a BCM bolt in the carrier, so I'm going to assume (yes, I know about ass out of you-and-me) that something may be causing a sluggish interference-fit between your bolt and carrier. Does this have standard gas rings or a MacFarland coil? Is the bore of the bolt carrier under-sized? Is your parkerized bolt tail polished to fit the carrier bore hole? Did you lube it well? Did you break it in (parkerized bolt finish against chrome carrier bore)?
Does the gas tube bind on the gas carrier key on closing?
HEY NOW, I resemble that remark!
I bought a rifle several years ago with a Youngs carrier, bought it reasonably, has a Shilen barrel on it....it was built as a Prairie Dog killer originally. I did replace the funky PSG1 pistol grip, the Magpul PRS stock (with a UBR) and the old school free float tube with a BCM KMR-Alpha but other than that, it's been a superb rifle. Very accurate and not terribly picky about loads honestly...
The truth can only offend those who live a lie.
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