The Br4 with an EMPIRE profile unthreaded barrel and a recessed barrel crown. This upper group compliments the firearm nicely and a lower group that accepts 5.56 AR mags. The 16.10" firearm features Remington 870 stock compatible,; cross-bolt safety; forward non-reciprocating side charger and proprietary Zeroed single stage trigger. Includes two Magpul 10rd PMAG magazines.
| Trigger | Single Stage |
| FireArm | yes |
| OAL | 36.70" |
| Barrel Description | Medium Taper |
| Sights | None |
| Weight Range | 7 lbs to 7.99 lbs |
| Stock Finish Group | Black |
| Metal Finish Group | Blued/Black |
| Receiver Material | Aluminum |
| Twist | 1:7" |
| Barrel Length Range | 16" to 16.99" |
| Stock Description | Magpul SGA |
| Safety | Crossbolt |
| Barrel Length | 16.10" |
| Caliber | 5.56 NATO |
| Weight | 7.70 lbs |
| Capacity | 10+1 |
