WebFeb 23, 2024 · Check Cryptic Coatings. Posted: 12/17/2024 2:30:45 PM EDT [#12] Yeah I would check with Cryptic Coatings. Other than their nitride finished BCGs, the Cryptic Coatings carriers and gas keys are internally chromed in addition to their fancy finish. I don't think the linked Brownells BCG is. Posted: 12/17/2024 3:27:43 PM EDT [#13] Quote History WebCryptic BCGs are finished in one of six different coatings, each offering reduced friction, increased performance, and greater wear resistance than that of a standard bolt carrier …
AR15 BCG Recommendation Sniper
WebA chrome finished firing pin is also included. Cryptic BCGs are finished in one of six different coatings, each offering reduced friction, increased performance, and greater wear resistance than that of a standard bolt carrier group. Features: - Mystic Black - 5.56 NATO. - Chemical vapor deposition coating. WebNov 15, 2014 · The BC has only four relatively small bearing surfaces, rails under the key, and the bottom corner of the front half. It's doubtful you could feel a difference, and even so, after 200 rounds when the surfaces burnished you could not. Your other logic is sound though, and the coating do look neat. photography hospital
Cryptic Coatings Bolt Carrier Groups Armory Blog
WebOct 26, 2024 · Cryptic Coatings Mystic Black Titanium BCG The bolt carrier is machined from Aircraft Quality 6A1-4V Titanium with a Carpenter 158 bolt with spring and ejector. Weight (complete BCG): 7.78 ounces Carrier … WebDescription. Coated bolt carrier group (full auto version) for AR15, M16, or M4 machined from Mil-Spec 8620 aircraft quality steel with shrouded firing pin and Mil-Spec chrome lined interior. BCG includes the proper chrome … WebNov 27, 2024 · Cryptic BCGs are finished in one of six different coatings, each offering reduced friction, increased performance, and greater wear resistance than that of a standard bolt carrier group. Cryptic Coatings Bolt Carrier Features: Mystic Black – .308 Winchester Chemical vapor deposition coating Coefficient of friction: 0.01 Hardness: 3000 Vickers how motherhood changes the brain