Lantac M-SPEC BCG 308/762 Black NITRIDE
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Specifications
Material 8620 steel carrier, Carpenter 158 or 9310 bolt; QPQ nitride finish; 17-4PH CP-R360 domed cam pin
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
The Lantac M-SPEC BCG 308/762 is a full auto-style AR bolt carrier group built to milspec dimensions with upgraded materials and surface treatment. The carrier is made from 8620 steel that is heat treated, hard turned, and ground for tight internal tolerances, while the bolt is produced from Carpenter 158 or 9310 steel with MPI processing and shot peening. A QPQ nitride finish provides strong corrosion resistance and durability, complemented by a CP-R360 domed cam pin for smooth operation and reduced wear.
Key Features
- QPQ nitride finish for enhanced corrosion resistance and long service life
- 8620 steel carrier heat treated and hard turned/ground to milspec internal dimensions
- MPI Carpenter 158 or 9310 bolt, shot peened, and hard turned/ground for consistent durability
- CP-R360 domed cam pin made from 17-4PH stainless steel in H900 condition to reduce friction and wear
- Full auto-style carrier built for reliable AR function in 308/762 configurations
- Made in the USA with a lifetime warranty
Built for dependable budget builds without cutting corners, the Lantac M-SPEC BCG 308/762 is a practical upgrade for shooters who want proven materials, tighter tolerances, and corrosion-resistant performance.
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- SKU:
- MSPECBCG308762
- UPC:
- 711841794101
- BUDS ID:
- 194111
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Retail Availability
Bud's Gun Shop - Lexington, KY
1105 Industry Road, Lexington, KY 40505Bud's Gun Shop - Sevierville, TN
2270 Two Rivers Blvd, Sevierville, TN 37876Uncle Lee's - Greenville, KY
820 Main St, Greenville, KY 42345Similar Products
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| Material | 8620 steel carrier, Carpenter 158 or 9310 bolt; QPQ nitride finish; 17-4PH CP-R360 domed cam pin | 8620 steel carrier and 9310 steel bolt with QPQ nitride treatment | Steel (9310 MPI-tested bolt, 8620 tool steel carrier, tool-steel gas key, 4140 cam pin, tool-steel shot-peened 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) | 9310 Tool Steel Bolt with MIL-SPEC 8620 Steel Carrier and 4140 Steel Components |
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