Description

BCM model BCM4 – CQB9 – 300BLK KMR-A8:
BCM (Bravo Compagny Mfg) is an American manufacturer well known for the reliability and longevity of its rifles. These are used by many specialized units in the United States. All of the component parts are made without compromise with materials and manufacturing techniques usually rejected by other manufacturers for cost reasons, and benefit from exceptional quality control (example: barrel and breech checked by magnetic particle inspection, etc. …). Moreover, unlike the majority of AR-15 manufacturers, BCM itself manufactures the improved accessories present on its weapons (enlarged cocking lever, telescopic stock, pistol grip, etc…).
Main Features :

– AR-15 type semi-automatic rifle with direct gas borrowing.
– 9″ fluted barrel in CMV steel according to Mil-B-11595E standard, certified by an independent body.
– 1/7″ pitch barrel, chromed inside and fully phosphated outside.
– Barrel controlled by circular and longitudinal magnetic particle inspection according to the Mil-Spec ASTME1444-01 standard.
– BCM MOD1 7.62 compensator (standard thread 5/8″x24tpi).
– Frame and receiver in 7075T6 aeronautical alloy machined from forged parts.
– The “lower” (the frame) is compatible with AR15 conversions including dimensions are MilSpec
– The “upper” (barreled action) is compatible with all frames of
– Barrel extension and breech box feature M4 type feed ramps.
– Mil-Spec steel cylinder head, Carpenter 158 type.
– Cylinder head tested and controlled by magnetic particle inspection (HPT/MPI).
– Cylinder head hardened by shot blasting to further increase its resistance.
– Puller made of tool steel (high tensile steel).
– Improved extractor spring BCM, surrounded by a “Crane O-ring” (special O-ring that increases the retention force of the extractor).
– Carrier key hardened to USGI specifications.
– Grade 8 carrier key screws, crimped to Mil-Spec.
– MilSpec MIL-A-8625F, Type III, Class 2 anodizing on frame, receiver, and handguard.
– Ultra-lightweight BCM KMR-Alpha 8″ floating handguard equipped with the KeyMod system.
– Several quick-attach ball sling attachment points.
– BCM “BCMGUNFIGHTER” MOD0 telescopic stock.
– Buffer H (1 tungsten weight, and 2 in steel)
– BCM “PNT” trigger (polished and nickel-teflon coated)
– BCM MOD4 enlarged cocking lever
– BCM MOD3 pistol grip – BCM
carcass plate with quick sling attachment point ball bearings
– Widened BCM trigger guard
– Weight: 2390 grams
– Length: 64.7 cm (stock retracted)
– Delivered with a 30-round magazine and a small Picatinny/Keymod rail
– Delivered without sights
– Caliber: 300 AAC BLACKOUT
– Made in USA (for all component parts)

– Weapon classified in category B2.

Note :
The short name of the caliber 300 AAC BLACKOUT is: 300 BLK (defined by SAAMI and CIP).