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WMD Guns NiB-X NiBH-X Complete Bolt Carrier Group with Hammer NIBXBCG-0002

WMD Guns
Ships from Warehouse 2
Typically ships within 1 to 2 business days.
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Specifications and Features:
Bolt: Carpenter 158 case hardened, shot peened and magnetic particle inspected. Manufactured to Government drawings. Mil Spec gas rings. NiB-X coated (40% more wear resistant Than Chrome)
Extractor: Manufactored, heat treated, hardened, per Government drawings. Black extractor buffer and heavy duty spring. NiB-X coated
Firing Pin: Manufactored, Heat treated, hardened, per Government darwings
Carrier: M16 style carrier (heavy weight), 8620 material, heat treated and case hardened
Manufacturing tolerances on inside diameters tightly controlled. NiB-X coated for durability and ease of cleaning
Gas Key: Hardened to USGI specifications and attached using grade 8 hardened fasteners Permatex No. 3D Aviation form a gasket type III sealing compound per Mil-S-45180 used on assembly. NiB-X coated. Staked per Military specifications
Cam Pin: NiB-X coated
Hammer: NiB-X coated. Can be semi automatic or fully automatic

Advantages of NiB-X include:
Harder than Tennifer, Melonite, Nickel Teflon, and Hard Chrome. (NiB-X is Rc72)
Environmental corrosion protection.
Very lubricious (coF .07)
Easier to clean (wipes clean in most cases)
Less Maintenance (Longer usage between cleaning cycles)
Higher Reliability (fewer stoppages)
Enhanced Performance 
Total number of Reviews: 1

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4.0 5
"Parts of this carrier looks as it were carved by a butternife and lots of tool marks. Only smooth parts are the round edges. Not as slick as my old carrier when it comes to comparrison of contact points. I believe i feel for hype. Havent shot yet but by my observations its okay but not for 250 w/ shipping."
– drake