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This is some kind of Nickel Boron, Teflon mix. Seems smoother and slicker than my other NiB bolt carriers. WMD is considered one of the top NiB BCG manufacturers. I own 2 of them now. Top notch quality. I use one in my M16 also. Works flawlessly.
3/3 found this helpful
Most Recent Reviews
9mm Nib BCG
by
Papa,
Verified Owner,
December 13, 2023
Received the BCG last week and haven’t been able to use it yet but, it is highly rated and I know nickel boron is a breeze to clean. I have them in all my AR’s and love them all. And the price through Optics Planet was very reasonable with pretty fas...
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Cartridge: 9mm Luger Condition: Factory DEMO
Code: 1UX-BCG-340GN-1-NIBXBCG9MM-DEMO
MPN: 1-NIBXBCG9MM-DEMO
Final Sale
$164.00Save 17%
$135.99
Cartridge: 9mm Luger Condition: New
Code: 1UX-BCG-340GN-1-NIBXBCG9MM
MPN: 1-NIBXBCG9MM
UPC: 855899003560
$164.00Save 15%
$140.21
Cartridge: 6.5mm Grendel Condition: New
Code: 1UX-BCG-340GN-1-NIBXBCG65GRENDEL
MPN: 1-NIBXBCG65GRENDEL
UPC: 855899003515
$195.00Save 24%
$147.66
Cartridge: 7.62x39mm Condition: New
Code: 1UX-BCG-340GN-1-NIBXBCG762
MPN: 1-NIBXBCG762
UPC: 855899003379
$195.00Save $10.51
$184.49
Cartridge: .308 Winchester Condition: New
Code: 1UX-BCG-340GN-1-NIBXBCG308
MPN: 1-NIBXBCG308
UPC: 855899003331
$259.00Save 18%
$212.49
Cartridge: 6.8mm Remington SPC Condition: New
Code: 1UX-BCG-340GN-1-NIBXBCG68SPC
MPN: 1-NIBXBCG68SPC
$195.00Save 18%
$159.99
Cartridge: .224 Valkyrie , 6.8mm Remington SPC Condition: New
Product Info for WMD Guns Bolt Carrier Group (BCG)
NiB-X 224 M16/AR-15 Full Auto Bolt Carrier Group BCG POLISHED All WMD BCG components are manufactured by Defense Industrial Base suppliers to WMDs exacting specifications to provide the best BCG available. Specifically engineered for NiB-X nickel boron coating to provide long life, high reliability and easy cleaning and maintenance. The BCG components are coated and polished to reduce fouling adherence. Coating is guaranteed for life against chipping, spalling or flaking. Over 30K rounds in Government protocol endurance testing did not wear the coating off. Especially beneficial in short barrel setups and suppressed platforms.
Specifications for WMD Guns Bolt Carrier Group (BCG):
Manufacturer:
WMD Guns
Color:
Nickel
Finish:
NiB-X
Fabric/Material:
9310 Steel, 8620 Alloy Steel
Gun Make:
AR Platform
Gun Model:
M16, AR-15
Bolt Material:
9310 Steel
Carrier Material:
8620 Steel
Features of WMD Guns Bolt Carrier Group BCG:
Bolt Carpenter 158 heat-treated, shot-peened and magnetic particle inspected. Engineered from government drawings for NiB-X. Milspec gas rings. NiB-X coated (40% more wear-resistant than chrome).
Extractor Manufactured, heat-treated, and hardened per government drawings. NiB-X coated.
Firing Pin Manufactured, heat-treated, hardened, chromed and certified per Government drawings.
Carrier M4/16 style full auto (heavier) functions in AR15 and M4/16 platforms, 8620 material, heat treated and case hardened. Manufacturing tolerances and surface finishes 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 Manufactured, heat treated, hardened and certified per government drawings. NiB-X Coated.
Package Contents:
WMD Guns Bolt Carrier Group
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