Bear Creek Arsenal BC-15 300 Blackout – Superb 10.5 Inch AR Pistol With Brace

Description

The Bear Creek Arsenal BC-15 300 Blackout is a 5.5 pound AR pistol built around the cartridge that short barrels were designed for. A 10.5 inch barrel throws away almost nothing with .300 Blackout, because the powder charge is small and burns out inside about nine inches, which is the entire reason the cartridge exists.

Why 300 Blackout Suits The Bear Creek Arsenal BC-15 300 Blackout

Cut a 5.56 barrel to 10.5 inches and you lose several hundred feet per second along with a great deal of muzzle energy. Do the same with .300 Blackout and the loss is marginal, because the cartridge was designed from the outset to reach full velocity in a short tube. That is what makes the Bear Creek Arsenal BC-15 300 Blackout a sensible short barrel rather than a compromise.

The 1:8 twist is the other half of the equation. It stabilises both the light supersonic bullets around 110 to 125 grains and the heavy 190 to 220 grain subsonic loads that make the cartridge worth suppressing. A slower twist would leave the heavy subsonics unstable.

Bear Creek cuts a 300 Blackout feed ramp in the barrel extension, which is correct for this chambering and helps the short, fat cartridge climb into the chamber cleanly from standard AR magazines.

Build Details Of The Bear Creek Arsenal BC-15 300 Blackout

The barrel is 10.5 inches of 4150 chrome moly vanadium in a heavy profile, parkerized, running a pistol length gas system on a .750 gas block. Pistol length is the correct port position for this barrel length and it keeps the timing sane. The muzzle is threaded 5/8×24, which is the standard .30 calibre thread, and a flash hider is fitted from the factory.

Up top is a forged flat-top upper with a conventional rear charging handle, a BCA bolt carrier group and an E9310 steel bolt. The lower is a mil-spec forged AR-15 multicaliber receiver, so every trigger, grip and safety you already own will fit the Bear Creek Arsenal BC-15 300 Blackout.

The handguard is a 9.5 inch MLOK split rail, built with open sides rather than a full tube to keep weight down, and it leaves most of the barrel exposed for cooling. A brace is fitted at the rear of the Bear Creek Arsenal BC-15 300 Blackout. Total weight is 5.5 pounds, which is genuinely light for an AR pistol with a heavy profile barrel.

Bear Creek Arsenal BC-15 300 Blackout Specifications

• Caliber: 300 AAC Blackout
• Barrel: 10.5 inch heavy profile, 4150 chrome moly vanadium, parkerized
• Twist rate: 1:8
• Muzzle: 5/8×24 threads with flash hider fitted
• Gas system: Pistol length with .750 gas block
• Feed ramp: 300 Blackout profile
• Upper receiver: Forged flat-top with rear charging handle
• Lower receiver: Mil-spec forged AR-15 multicaliber
• Bolt carrier: BCA AR-15 group with E9310 bolt
• Handguard: 9.5 inch M-Lok split rail
• Brace: Included
• Weight: 5.5 pounds
• Magazine: Not included, accepts standard 5.56 and 300 Blackout AR magazines
• Platform: AR-15
• Part number: CPF-1001-300PHB10.518PFL-10ASRSBA3

No magazine is included with the Bear Creek Arsenal BC-15 300 Blackout, though it feeds from any standard AR-15 magazine you already own.

Why Buyers Choose The Bear Creek Arsenal BC-15 300 Blackout

This is the configuration .300 Blackout was invented for. Short barrel, threaded muzzle, fast twist, and a cartridge that reaches full velocity before the bullet leaves the tube. Paired with a suppressor and subsonic ammunition, the Bear Creek Arsenal BC-15 300 Blackout is about as quiet as a centrefire rifle gets, and it stays compact enough to be genuinely useful in a vehicle or around a property.

Magazine compatibility is a quiet advantage. Because the case head matches 5.56, standard AR magazines work, so anyone already invested in the platform has nothing new to buy. Being an AR pistol with brace also means the whole lower is standard, and any trigger upgrade you fancy drops straight in.

At 5.5 pounds it is light enough to handle one handed at the muzzle, which is not something you can say about most short barrelled rifles carrying a heavy contour.

Now the caveats, and they matter. Supersonic .300 Blackout out of 10.5 inches unsuppressed is genuinely punishing to shoot indoors or beside other people, and a flash hider does nothing about that. Braced pistols have been the subject of shifting federal rulemaking and several states regulate them separately, so confirm current federal and state law before you buy. The trigger is a standard mil-spec unit. No magazine is included. And the single most dangerous mistake with this cartridge is chambering a .300 Blackout round in a 5.56 rifle, which is possible and destroys guns, so keep the ammunition clearly separated.

Who Should Buy The Bear Creek Arsenal BC-15 300 Blackout

The Bear Creek Arsenal BC-15 300 Blackout suits the buyer building a suppressor host, a compact truck or property gun, or a hog rifle for close cover. If you plan to shoot mostly supersonic ammunition at the range without a can, a 16 inch 5.56 will be cheaper to feed and far more pleasant. If you want the same cartridge in a rifle length package, Bear Creek build a 16 inch version. And if the brace rules in your state give you pause, buy the rifle instead.

Learn more about this AR pistol from the manufacturer, or see more firearms available at MAG5 Firearms.