These BCG's are fully assembled and ready to drop in any AR15 or M16 rifle or pistol. These are the heavier M16 carrier and will work with any AR15 platform rifle.
Bolt Subassembly:Bolt: AISI 9310 alloy steelMPI InspectedExtractor: Shot Peened Hardened D2 tool steel O-Ring: Mil-Spec Gas rings (3): Mil-Spec Finish: Black Nitride
Bolt Carrier:8620 steelHeavy Duty M16 designGrade 8 Gas Key Screws, StakedGas Key Material: 4140Finish: Black Nitride
Cam Pin:8620 steelFinish: Chrome
Mil-Spec firing pin made from centerless ground 8740 steel, hard chrome coated
The goto BCG on my builds is a nitrided (QPQ) Toolcraft w/ an MPI 9310 bolt. This one came in as expected at an excellent price - with uber-fast USPS P1 shipping! Popped a 65Grendel.com group buy 0.136" bolt in this BC and have stashed the 5.56 for the future. I WILL definitely be back for more, Kyle & his wife are the real deal!
A quick comment on the marketplace - I DO NOT UNDERSTAND the need for these $150-$300 depleted uranium rhinoceros foreskin BCGs that are being peddled everywhere. Form follows function - IT IS NOT A HANDBAG folks. Mic drop, out...
Ordered BCG on a Tuesday Morning, arrived Thursday in perfect shape. Best Price going on an excellent product! You guys are awesome! These guys are definitely GTG!
I was skeptical at first so I only bought one. The quality appeared to be very high so, I brought it to an Armorer I trust. He pulled it apart and inspected everything very closely and gave the thumbs up. Positive comments included the lack of machine marks even on the usually neglected inside surfaces. Then I threw it in my go-to rifle and went to a two-day, thousand-round training session. It performed flawlessly, showed little wear, and held up well to the carbon scraper. Overall, this is not the fanciest BCG and it's not branded with a status symbol logo but it works well and is priced right. Since my original purchase, I've come back for 3 more.
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