Geissele Automatics Geissele 5.56mm Reliability Enhanced Bolt Carrier Group & Gas Key 05-2992

Optimize your AR15 with Geissele's Reliability Enhancement Bolt Carrier Group. Developed over the course of several years, this 5.56mm full-mass, full-auto rated bolt carrier group features a properly torqued and staked, chrome-lined, nano-coated gas key. The cam pin is precision machined from H13 steel, the same material medical instrumentation is made from, and extended upper rails on the carrier greatly enhance stability and feeding dependability. .Features of the 5.56mm Reliability Enhanced Bolt Carrier Group & Gas KeyGas Key - Properly torqued and stakedCam Pin - Precisely machined from advanced H13 tool steelCarrier Rails - Extended for greater stability and significantly increased feeding reliabilityNanoweapon Durable Solid Lubricant - Extreme resistance to corrosion, wear, and abrasion, as well as rejecting carbon fouling to allow the firearm to operate normally with less lubrication Geissele Automatics Geissele 5.56mm Reliability Enhanced Bolt Carrier Group & Gas Key 05-2992