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WMD Guns AR-15 Bolt Assembly NiB-X 5.56 / .223 Rem
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5.56 NATO/223 Remington
Case Hardened 9310
High-Performance Extractor
Magnetic Particle Inspected
NiB-X Coating
Specifications
Caliber
Brand
Model
AR-15 Bolt Assembly
MPN
1-NIBXBA556
UPC
855899003232
MSRP
$70
Finish
NiB-X
Fits
AR-15 rifles chambered in 5.56 NATO / .223 Remington
Color
Silver
Material
Case Hardened 9310 Steel
Description
The WMD Guns AR-15 Bolt Assembly NiB-X is a replacement bolt assembly for AR-15 rifles chambered in 5.56 NATO or .223 Remington. It is a bolt carrier group component that locks and unlocks the cartridge in the chamber during the firing cycle.
The bolt is made from case hardened 9310 steel and receives a NiB-X nickel boron coating, which the manufacturer describes as aiding cleaning and smooth locking and unlocking with barrel extensions. The assembly is magnetic particle inspected and includes a high-performance extractor. Its silver finish is the NiB-X coating.
Fit is specified for AR-15 platform rifles in 5.56 NATO and .223 Remington. Confirm compatibility with your specific carrier and barrel extension before installation.
- Brand: WMD Guns
- Platform: AR-15
- Calibers: 5.56 NATO / .223 Remington
- Material: Case Hardened 9310 Steel
- Finish: NiB-X nickel boron coating
- Color: Silver
- Inspection: Magnetic Particle Inspected
- Extractor: High-Performance