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FailZero 6.5 Grendel BCG Nickel Boron

Part Number: BCG-65G-65873
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On sale $189.99 $159.99
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Fail Zero 6.5 Grendel, 6mm ARC Bolt Carrier Group

An AR-15 bolt carrier group is a piece of a firearm that houses many key parts such as the firing pin, gas key, cam pin, extractor, and bolt. With all these pieces working together the BCG can grab and feed another round out of the detachable magazine chamber. During the extraction of a cartridge, the BCG works to absorb the force of the explosion by expanding gas in the carrier. Throughout this process, gas is tapped off from the barrel and sent into the cup inside of the gas key which creates an inertial force that sends the Bolt Carrier Group back into the buffer tube. This entire process helps to reduce recoil. 6.5 Grendel bolt carriers have a larger bolt head to accept the larger diameter casing of 6.5 Grendel Cartridges.

About this BCG: This 6.5 Grendel Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Mil-Spec upper receivers chambered in 6.5 Grendel (Type 2). All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both wear and corrosion resistance. EXO Nickel Boron makes for easy cleanup and will improve the performance of your rifle.

Caliber Compatibility: 6.5 Grendel - This BCG is designed for the 6.5 Grendel caliber.

Finish: Nickel Boron - Nickel Boron Bolt Carrier Groups are popular for their incredible strength and reliability under minimal or zero lubrication.

Material: 158 Carpenter Steel - Bolt Head - Body - 158 Carpenter Steel is Case Hardened on the outside to prevent wear and crack formation while the inside is softer and more flexible to prevent crack propagation and absorb shock loads. 8620 Alloy Steel - Body - 8620 Steel is a carburized alloy steel meaning carbon was added to increase the hardness of the steel. 8620 is known for its high case toughness and high core toughness. Made mostly of nickel concentrate, this steel can easily withstand the firing stress of the BCG under operation.

Forward Assist Notches: This BCG comes with forward assist notches which allow the forward assist on the upper to contact the BCG pushing it forward and locking the bolt into place. These forward assist notches can also speedily help clear malfunctions when the BCG becomes jammed.

Gas System: Direct Impingement - Direct impingement is the process of directing the gas created during the operation of a firearm through the barrel, gas block, gas tube, and eventually into the BCG again to cycle the action and prepare the firearm for another round.


SPECIFICATIONS:
Brand: Fail Zero
Model: 6.5 Grendel, 6mm ARC Bolt Carrier Group
Caliber Compatibility: 6.5 Grendel, 6mm ARC
Platform: AR-15
Bolt Head Material: 158 Carpenter Steel
Bolt Head Finish: Nickel Boron
Body Material: 8620 Alloy Steel
Body Finish: Nickel Boron
Style: Standard
Gas System: Direct Impingement
Forward Assist Machining: Yes
Full Auto Compatible: Yes
 
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