Bushmaster ACR ‘Adaptive Combat Rifle’ 6.8 SPC 16” Barrel Semi Auto Rifle
SOLD FOR: $2,675.00
LSB#: LSB260609NF001
Make: Bushmaster Firearms International Inc.
Model: BACR Enhanced
Serial Number: CMP 002317
Year of Manufacture: Circa, 2010s / Modern
Caliber: 6.8 SPC
Action Type: Semi-Auto Short Stroke Adjustable Gas Piston Rifle Fed By Detachable Magazines
Markings: The left side of the receiver is marked, “B.F.I. HUNTSVILLE, AL U.S.A. CMP 002317 / MODEL-BACR CALIBER-MULTI”. The bolt is marked, “MULTI-CAL”. The barrel is marked, “B.F.I. 6.8MM SPCII 1/7”.
Barrel Length: 16.5”. 18” with AAC 51T Flash Hider/Suppressor Mount.
Sights / Optics: The top of the receiver and handguard have a full-length picatinny rail.
Stock Configuration & Condition: This rifle has a three piece black polymer set with a M-Lok aluminum forend affixed with textured G10 scales/handstop, textured pistol grip integral to the lower, and a folding extendable stock with an adjustable comb and a serrated hard rubber buttplate. The bottom of the pistol grip has a storage compartment. There are sling QD hardpoints behind the forend and at the heel of the stock. There are light handling marks throughout. There are no chips or cracks. The LOP measures 14” from the front of the trigger to the back of the buttpad. The stock rates in Very Good + overall condition.
Type of Finish: Black Polymer, Anodized Aluminum
Finish Originality: Original
Bore Condition: The bore is bright and the rifling is sharp. There is no erosion in the bore but there is some very light stubborn fouling. In this writer’s opinion the bore rates 9.5/10.
Overall Condition: This rifle retains about 99% of its metal finish. There are faint handling marks and scratches throughout. The action has minimal wear. The markings are clear. The screw heads are sharp. Overall, this rifle rates in Very Good to Excellent condition.
Mechanics: The action functions properly. We did not fire this rifle. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance requirements.
Box, Paperwork & Accessories: Bushmaster hard case, 1x Bushmaster 30rd magazine, and spare picatinny “quad” rail forend.
Our Assessment: The Bushmaster ACR, or Adaptive Combat Rifle, grew out of Magpul’s Masada concept and entered commercial production under Bushmaster in 2010 as one of the most ambitious modular rifle designs of its era. Its defining features include a regulated short-stroke gas-piston system, quick-change barrel architecture, rotating bolt, folding and telescoping stock, ambidextrous controls, and a multi-caliber receiver system. The 6.8 SPC II configuration is particularly interesting because it demonstrates the modularity that was central to the ACR concept, offering a larger-bore cartridge than the more common 5.56 NATO configuration while retaining the same basic operating system and magazine-fed layout. This example combines the factory multi-caliber receiver with a 6.8 SPC II barrel, AAC 51T suppressor mount, folding adjustable stock, and an upgraded M-LOK forend with G10 gripping surfaces. This rifle remains in Very Good to Excellent condition, retaining approximately 99% of its original metal finish. The exterior shows only faint handling marks and light scratches, while the action exhibits minimal operational wear. The markings remain clear and the screw heads are sharp. The bore is bright with sharp rifling and no visible erosion, though very light stubborn fouling remains present, rating 9.5/10 in this writer’s opinion. The polymer furniture and installed aluminum forend show only light handling wear and remain free of chips or cracks. Mechanically, the action functions properly.
For collectors and shooters interested in modern modular rifle systems, the ACR remains one of the most distinctive commercial designs of the early 21st century. The 6.8 SPC II chambering, quick-change barrel system, adjustable gas block, folding stock, and multi-caliber architecture give this example considerably more technical interest than a conventional direct-impingement sporting rifle. The included Bushmaster hard case, 30-round magazine, spare Picatinny quad-rail forend, AAC 51T mount, and upgraded M-LOK handguard make this a particularly well-equipped ACR package. -R.E.