Guntec AR .308 Cal Nitride Bolt Carrier Group, Mil-Spec
Out of Stock
Ratings & Reviews
Highly Recommended Bolt Carrier Group..A+++
by SS -
This BCG is perfect and flawless in every way. I have fired 185 rounds of varying weights with this BCG with out any issues. I suggest stocking up at this price. I just bought a second one as a backup or to build a second rifle.
Good Bolt, Great price
by Cris -
The long and short of it: Good bolt certainly for price point certainly so as it has FA cuts. I built a LR308 DPMS pattern with high profile billet upper and forged 7075 lower. Had all kinds of high pressure signs with failure to extract (to the bolt's CREDIT, it tore the rim off the case) and mildly dimpled primer (extrusion thru the firing pin hole). Swapped out with another known good bolt, same issue. Narrowed it down (once I eyeballed the barrel's chamber) to an out of spec, NASTY gouged chamber....not a PA product. Replaced barrel with a PA acquired BCA 308 16" barrel and the rifle worked flawlessly! NOW.....the brass still had a dimple on the primer however the primer itself was not flattened and there were no other signs of excessive pressure. Either the FP is undersize or the FP hole in bolt face is slightly oversize. I am happy/comfortable with the bolt and will buy another for my second build which is under way.
Trying to restore balance
You replaced the extractor and it worked perfectly? A faulty extractor deserves a one-star review? Really? Did you even bother contacting PA about it? People need to learn how to review before they are allowed to do so.
by William -
Love Primary Arms but hated this bolt. Was useless from the start. Extractor would not grab brass. Bought a new extractor , worked fine after that.