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Brigand Arms
The Brigade BM-10LR is a .308 Winchester AR pistol built for shooters who need serious stopping power in a maneuverable, compact package. With its 12.5-inch barrel and SBA5 stabilizing brace, this direct-impingement platform delivers full rifle-caliber performance in a form factor that excels in tight spaces, vehicle use, and rapid-response scenarios. Whether you're configuring a truck gun, home-defense rig, or suppressed build, the BM-10LR gives you the ballistic authority of a .308 without the length of a traditional rifle.
Built from 7075-T6 aluminum billet with a 4150 CRMOV barrel (1:10 twist, nitride-finished), this AR10-platform pistol is purpose-engineered for durability and control. The 12.5-inch barrel strikes a balance—it preserves velocity better than shorter .308 pistols while remaining genuinely compact. Full ambidextrous controls, a mil-spec trigger, and a 12-inch M-LOK rail give you flexibility to mount optics, lights, and accessories exactly how you shoot. The threaded 5/8x24 muzzle is ready for suppressors or flash devices.
At 7.9 pounds, the BM-10LR is lightweight without feeling flimsy. The 6-position adjustable buffer tube and 4.9-ounce buffer are tuned for the .308 round, and the 22 P-grip provides a natural, controlable hold. Collapsed, it measures 31.5 inches; extended, 34 inches—size that matters when you're moving through vehicles or confined spaces. Pair it with the included 20-round PMAG LR/SR magazine, and you've got a seriously capable close-quarters platform.
This isn't a novelty build or compromise rifle. It's engineered for shooters who understand that .308 ballistics in a pistol-length AR means real power, real velocity, and real utility when traditional rifles won't fit the mission.
| Caliber | .308 Winchester |
| Barrel Length | 12.5 inches |
| Barrel Material | 4150 CRMOV, nitride-finished |
| Twist Rate | 1:10 |
| Gas System | Direct Impingement |
| Platform | AR10 |
| Rail | 12-inch M-LOK |
| Muzzle Threading | 5/8x24 |
| Stabilizing Brace | SBA5 |
| Buffer Tube | 6-position adjustable |
| Buffer Weight | 4.9 ounces |
| Grip | 22 P-grip |
| Trigger | Mil-spec |
| Magazine | 1× PMAG 20-round LR/SR |
| Lower/Upper Material | 7075-T6 aluminum billet, CNC machined |
| Length (Collapsed) | 31.5 inches |
| Length (Extended) | 34 inches |
| Weight | 7.9 pounds |
| Finish | FDE |
The BM-10LR features a 12.5-inch barrel with a 1:10 twist rate, made from 4150 CRMOV steel and finished in nitride. That length and twist are optimized for .308 velocity and accuracy in a compact platform.
Yes. The 12-inch M-LOK rail accepts any M-LOK-compatible optic, light, or foregrip. The threaded 5/8x24 muzzle works with standard suppressors and muzzle devices. It's built on an AR10 platform with full ambidextrous controls, so you can mount and configure it like any modern AR.
The BM-10LR comes with one 20-round PMAG LR/SR magazine and is compatible with .308 AR10-pattern magazines of the same type.
The rifle weighs 7.9 pounds. Collapsed, it measures 31.5 inches; when fully extended, 34 inches. That compact footprint makes it suited for vehicles, tight spaces, and rapid-response use.
Brigand Arms
The Brigade BM-10LR is a .308 Winchester AR pistol built for shooters who need serious stopping power in a maneuverable, compact package. With its 12.5-inch barrel and SBA5 stabilizing brace, this direct-impingement platform delivers full rifle-caliber performance in a form factor that excels in tight spaces, vehicle use, and rapid-response scenarios. Whether you're configuring a truck gun, home-defense rig, or suppressed build, the BM-10LR gives you the ballistic authority of a .308 without the length of a traditional rifle.
Built from 7075-T6 aluminum billet with a 4150 CRMOV barrel (1:10 twist, nitride-finished), this AR10-platform pistol is purpose-engineered for durability and control. The 12.5-inch barrel strikes a balance—it preserves velocity better than shorter .308 pistols while remaining genuinely compact. Full ambidextrous controls, a mil-spec trigger, and a 12-inch M-LOK rail give you flexibility to mount optics, lights, and accessories exactly how you shoot. The threaded 5/8x24 muzzle is ready for suppressors or flash devices.
At 7.9 pounds, the BM-10LR is lightweight without feeling flimsy. The 6-position adjustable buffer tube and 4.9-ounce buffer are tuned for the .308 round, and the 22 P-grip provides a natural, controlable hold. Collapsed, it measures 31.5 inches; extended, 34 inches—size that matters when you're moving through vehicles or confined spaces. Pair it with the included 20-round PMAG LR/SR magazine, and you've got a seriously capable close-quarters platform.
This isn't a novelty build or compromise rifle. It's engineered for shooters who understand that .308 ballistics in a pistol-length AR means real power, real velocity, and real utility when traditional rifles won't fit the mission.
| Caliber | .308 Winchester |
| Barrel Length | 12.5 inches |
| Barrel Material | 4150 CRMOV, nitride-finished |
| Twist Rate | 1:10 |
| Gas System | Direct Impingement |
| Platform | AR10 |
| Rail | 12-inch M-LOK |
| Muzzle Threading | 5/8x24 |
| Stabilizing Brace | SBA5 |
| Buffer Tube | 6-position adjustable |
| Buffer Weight | 4.9 ounces |
| Grip | 22 P-grip |
| Trigger | Mil-spec |
| Magazine | 1× PMAG 20-round LR/SR |
| Lower/Upper Material | 7075-T6 aluminum billet, CNC machined |
| Length (Collapsed) | 31.5 inches |
| Length (Extended) | 34 inches |
| Weight | 7.9 pounds |
| Finish | FDE |
The BM-10LR features a 12.5-inch barrel with a 1:10 twist rate, made from 4150 CRMOV steel and finished in nitride. That length and twist are optimized for .308 velocity and accuracy in a compact platform.
Yes. The 12-inch M-LOK rail accepts any M-LOK-compatible optic, light, or foregrip. The threaded 5/8x24 muzzle works with standard suppressors and muzzle devices. It's built on an AR10 platform with full ambidextrous controls, so you can mount and configure it like any modern AR.
The BM-10LR comes with one 20-round PMAG LR/SR magazine and is compatible with .308 AR10-pattern magazines of the same type.
The rifle weighs 7.9 pounds. Collapsed, it measures 31.5 inches; when fully extended, 34 inches. That compact footprint makes it suited for vehicles, tight spaces, and rapid-response use.
