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Faxon Firearms 5.56 Gunner Lightweight Bolt Carrier Group, Nitride, TiN PVD

MSRP: $299.00
$284.05
( saved $14.95 )
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SKU:
FF556BCGCNITRIDE-LW-TiN
UPC:
816341024656
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Faxon lightweight bolt carrier groups (8.5oz Complete) are prefect for those who want a skeletonized lightweight steel BCG to complement their lightweight AR upper and are looking for a extremely durable BCG with Faxon's Lifetime Guarantee. As a testament of their confidence in the BCG quality, the carriers are all laser-engraved with the Faxon Shield after passing all Quality inspections.

Matching their barrels, they selected the QPQ method of Salt Bath Nitride for all the carriers components. By coating all parts, the carrier's natural slickness is increased markedly requiring less gas and pressure to operate. Further, the QPQ SBN process seals components against corrosion while making them fantastically wear resistant. 

Improvements include using 9310 tool steel for the bolt, which is stronger and nitriding the assembly to increase surface hardness, decrease resistance, and have superior corrosion resistance compared to typical chrome and phosphasted bolt carrier groups. All bolts are fully MPI tested to ensure the material is sound and without defects. Bolt lugs are chamfered 45 degrees to ensure reliable action for even the highest pressure hand loads and fast lightweight actions. 

Faxon Bolt Carrier Groups have a post-machining Superfinishing process which is a mechancial chemical finish to reduce friction, increase smoothness of operation, and reduce fouling. Further, they are full-auto rated and maintain the trip for full-auto fire control groups and new multi-stage trigger systems. Gas keys use grade 8 fasteners and are fully staked for a lifetime of service.

Faxon recommends the use of an adjustable gas block with our Gunner lightweight BCG for proper function.

Features and Specifications:

  • Bolt:
    • 9310 Tool Steel Construction (Stronger than C158)
    • Full MIL-SPEC Heat Treatment
    • Shot Peened to MIL-SPEC
    • Magnetic Particle Inspection (MPI)
    • Back of Lugs Chamfered for Reliability
    • Spring, Insert, & "Crane" O-Ring Installed
    • QPQ - Salt Bath Nitrided
  • Extractor:
    • S7 Tool Steel Construction
    • Fully Heat Treated
    • Shot Peened Per MIL-SPEC
    • QPQ - Salt Bath Nitrided
  • Carrier & Key:
    • Superfinished Carrier
    • Carrier: MIL-SPEC 8620 Steel Material
    • Key: 4140 Steel Material
    • Fully Heat Treated
    • Forward Assist Serrations
    • M16 (FULL-AUTO) Compatible
    • Grade 8 Fasteners
    • Fully & Properly Staked Key, Permatex Sealed
    • QPQ - Salt Bath Nitrided
    • Weight w/ Key (Not Bolt or any Pins): 6.32 Ounces
  • Cam Pin: 
    • 4140 Pre-Hardended Steel Material
    • QPQ - Salt Bath Nitrided

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