Ultra-Light Bolt Carrier Group - Low Mass BCG
Factory New Condition
FFL is not required
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8/9/2017 12:16 PM
Item 678920874
Location Knoxville, TN 37938
Priority Mail$6.99
See Item Description
No international shipments
Payment Personal Check, Visa / MasterCard, American Express, Discover, PayPal, USPS Money Order, Money Order, Certified Check, See Item Description
Checkout Yes
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The seller of this item assumes all responsibility for this listing. You must contact the seller to resolve any questions or concerns before placing a bid. Payment must be made using U.S. dollars ($) unless otherwise stated in the listing. Firearms may only be shipped to a licensed dealer (FFL Holder). Some listed items may not be legal in every state. Complete your purchase within the law.

Low Mass AR-15 5.56/.223/.300 BLACKOUT Complete Black Nitride Bolt Carrier Group


This Ultra-Light Bolt Carrier Group comes completely assembled and will operate in any AR-15 that fires .223, 5.56 or .300 AAC Blackout (BLK). Only 8.9 ounces! A 28% weight savings over our standard Nitride BCG!

We are having these bolts manufactured to our exacting standards. Features 9310 Bolt Material; 8620 carrier and gas key; Properly staked Investment cast gas key hardened to USGI specifications fastened with Hardened Grade 8 Fasteners; Shot peened, Magnetic Particle Inspected (MPI) and High Pressure Tested (HPT) Bolt. Before assembling the gas key to the carrier, permatex NO.3D aviation is applied to form-a-gasket around the gas port (per MIL-SPEC). Then Grade-8 hardware is used to attach the gas key, followed by properly staking (per MIL-SPEC). When installing the extractor to the bolt, a crane-o-ring is inserted with the spring to insure proper ejection. Then high temperature grease is applied to the gas rings before inserting the bolt into the carrier, which allows for much smoother operation. These BCGs are inspected to the highest of standards, to ensure a high quality product that is 100% reliable for our customer… PROUDLY MADE IN THE USA!

Machined from 8620 tool steel with Proprietary H&M Black Nitride Treatment
Magnetic Particle Inspected and High Pressure Tested
USA Made Grade 8 Fasteners
Military Specification Gas Key Staking
Heat treated to military specifications

Machined from 9310 tool steel
Heat treated to military specifications
Shot Peened
Ground to meet military required tolerances
MPI (Mag Particle Inspected)

Gas Key
Billet Machined 4140 Steel Gas Key (Designed to Handle the Heat)
Heat treated to military specifications

Machined from 4140
Heat treated to military specifications
Shot peened

Firing Pin
Machined from 8640 tool steel
Heat treated to military specifications
Ground to meet military required tolerances
Coated with .0002”-.0003” of hard chrome per MIL-STD-171

Cam Pin
Machined from 4340
Quench and temper heat treat
Ground to meet military required tolerances

All our BCG's are made in the USA. They are made by the same military contractors that make most of the BCG's for the US Armed Forces. They are MPI and HP tested for safety. You could buy a cheaper or lesser BCG, but that is one part you don't want to risk.

Payments accepted:
Money order, certified check, PayPal or credit card (add 3% fee for PayPal or cc transaction). Winning bidder will be contacted following auction for payment preference.

$6.99 Priority Shipping within US.

We love to combine shipping for multiple items. Please feel free to ask.

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