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WMD Bolt Carrier Groups are coated in WMD's proprietary NIB-X coating (40% more wear-resistant than chrome) and polished to a presentation-grade sheen. This top-quality Bolt Carrier Group resists fouling, needs little lubrication, and can be cleaned easily with a cloth wipe.
WMD's testing has run thousands of rounds between cleanings without malfunctions. Military personnel have praised its performance in desert conditions where heavy lube can collect dust and dirt. The WMD NIB-X BCG is extraordinarily reliable, helps the gun run cooler, and dramatically reduces the time you'll spend cleaning your gun.
The Bolt is made of 9130 steel, is heat-treated, shot peened, and magnetic particle inspected. Black extractor buffer and heavy-duty spring installed. NiB-X coated for durability and ease of cleaning. The Bolt Carrier is made of 8620 material, heat-treated, case hardened, and NiB-X coated. The Gas Key is hardened to USGI specs, NiB-X coated, and attached using grade 8 hardened fasteners and properly staked per military specifications. This does not include the hammer.
Caliber: .308 (DPMS Style)