Brownells AR-15 Bolt Carrier Group Nitride MP
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Specifications
Material Nitride-coated 9310 tool steel bolt and 8620 hardened steel carrier
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
Description
Product Overview
Brownells AR-15 Bolt Carrier Group Nitride MP is a ready-to-install replacement built for reliable cycling in AR-15 rifles chambered for 5.56 NATO, .223 Remington, or .300 Blackout. It uses a nitride-finished bolt machined from 9310 tool steel and a nitride-finished 8620 hardened-steel carrier, with a torqued-and-staked gas key for consistent operation. The bolt is magnetic-particle inspected and the group is supplied with the key firing and extraction components for a complete swap.
Key Features
- Nitride coating on the bolt, carrier, and key BCG components for enhanced corrosion resistance
- 9310 tool-steel bolt heat-treated and shot-peened for durable operation
- 8620 hardened-steel bolt carrier for strength and consistent cycling
- Torqued-and-staked gas key to help maintain gas-key retention
- Magnetic-particle inspected bolt for quality control
- Includes the standard BCG internal components for a straightforward installation
Keep a dependable spare on hand or finish a build with a Brownells AR-15 BCG engineered for 5.56-pattern performance.
0 Reviews
- SKU:
- AZT-AR15-SA-001
- UPC:
- 050806113930
- BUDS ID:
- 718010923
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Retail Availability
Bud's Gun Shop - Lexington, KY
1105 Industry Road, Lexington, KY 40505
Bud's Gun Shop - Sevierville, TN
2270 Two Rivers Blvd, Sevierville, TN 37876
Uncle Lee's - Greenville, KY
820 Main St, Greenville, KY 42345
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| Material | Nitride-coated 9310 tool steel bolt and 8620 hardened steel carrier | Case hardened 8620 tool steel carrier, 9310 steel bolt, 4140 steel cam pin, shot peened tool steel extractor | 9310 tool steel bolt (salt bath nitrided); MIL-SPEC 8620 steel carrier (superfinished); 4140 steel gas key and cam pin (salt bath nitrided); S7 tool steel extractor (salt bath nitrided) | TiN Titanium Nitride coated 8620 steel carrier with shot peened Carpenter 158 bolt (MPI inspected); hard chrome lined gas key | QPQ salt bath nitrided components (bolt 9310 tool steel, extractor S7 tool steel, carrier MIL-SPEC 8620 steel, gas key 4140 steel, cam pin 4140 steel) |
| Weight (lbs) | N/A | 0.56 | N/A | N/A | 0.4 |
| Actions | Current Item |
