A*B Arms Pro AR-15 5.56/.223/.300/.350 Bolt Carrier Group
- Complete Nickel Boron Assembly
A*B Arms is built stronger because sometimes, lives are on the line. Their products stand up to the rigors of combat, police and private security operations, where failure is not an option.
The A*B Pro 5.56/.223/.300/.350 Bolt Carrier Group is a MIL-SPEC drop-in ready component for the AR-15/M4 platform. The nickel boron finish offers dry lubrication for treated parts. The carrier, bolt, and cam pin require virtually no lube during use. The phosphate coated extractor has a surface finish providing superior extraction during firing. Crafted using high-end Swiss machinery for tight tolerances and finish.
FEATURES:
Bolt:
Carpenter 158 steel
Heat treated
Shot peened
Magnetic particle tested
Nickel boron coated
Bolt carrier:
8620 steel
Nickel boron coated
Nickel boron coated bore
M16 cut
Gas key:
4130 steel
Nickel boron coated
Properly staked 4140 steel gas key screws
Cam pin:
4340 steel
Heat treated
Nickel boron coated
Extractor:
Aircraft quality E4140 steel
Heat treated
Shot peened
Manganese phosphate coated
Firing pin:
AISI 8740 steel
Chrome coated
SPECIFICATIONS:
Brand: A*B Arms
Caliber: 5.56 / .223 / 300 Blk / .350 Legend
Bolt Head Finish: Nickle Boron
Bolt Head Material: 158 Carpenter Steel
Carrier Finish: Nickle Boron
Carrier Material: 8620 Alloy Steel
Magnetic Particle Inspect (MPI): Yes
Platform: AR-15
Forward Assist Notches: Yes
Style: Standard
Color: Silver
Full Auto Compatible: Yes
Please note: If the listing says "In-Stock" it means we have the item(s) in stock. Please check this LINK to view our most up to date shipping status. Warranty, Returns & Terms: MMC Armory offers a 30 day return, refund and exchange policy. You must email or call MMC Armory and obtain an RMA number prior to any return, refund, or exchange. All returns must include the original order number, receipt or invoice, along with the customers billing address, shipping address, contact phone numbers, contact emails, and RMA number. Returns, refunds, and exchanges may take up to two weeks, not including transit times, for processing after we have received return product. Return shipping costs will be the responsibility of the returning party, with the exception of the wrong item being received or on warranty exchange during the first 30 days after delivery. Items returned for warranty will only be replaced or exchanged, no refund given on warranty items.
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