Rock River Arms A1 Carbine SBR, 223 Remington/5.56 NATO, 10.5″ Barrel, Black, 30 Rounds, 5.56NATO 30RD M4

Product Description

The Rock River Arms A1 Carbine SBR is a semi-automatic short barreled rifle chambered in .223 Remington/5.56 NATO with a 10.5″ barrel. This carbine combines the ergonomic controls and proven platform of the A1 design with a compact form factor ideal for shooters seeking maneuverability without sacrificing reliability.

Moreover, the A1 Carbine SBR arrives ready to deploy with practical factory features. The threaded 1/2×28 barrel accepts a suppressor or muzzle device, and the included A1 Flash Hider manages recoil signature. Additionally, the rifle ships with an M4 stock, RRA A1 pistol grip, and a front sling swivel for tactical or recreational deployment.

Capacity and Performance

The 30-round magazine capacity provides reliable ammunition supply for extended shooting sessions. Furthermore, the .223 Remington cartridge delivers proven accuracy and manageable recoil, making this SBR effective for sporting and recreational use across all skill levels.

What’s Included

Rock River Arms includes everything needed to begin shooting immediately. The package contains one 30-round magazine, a protective RRA case, and a front sling swivel. Therefore, you can take the A1 Carbine SBR to the range without additional accessory purchases.

Ordering from Western Sport

Order online and we ship it to the licensed FFL dealer you choose near you — see how buying a gun online works. Western Sport has been a licensed FFL/SOT dealer since 2007, and everything we sell carries the full manufacturer warranty. Questions before you order? Send us a message.

Frequently Asked Questions

Q: What NFA paperwork is required to own this Rock River Arms A1 Carbine SBR?

A: Short barreled rifles are regulated by the ATF as NFA items. You must submit an approved ATF Form 4 (and pay the $200 tax) before taking possession. Western Sport handles the paperwork and transfer process; send us a message for details on current timelines and requirements.

Q: Is the threaded barrel compatible with standard .223/5.56 suppressors?

A: Yes, the 1/2×28 threads accept standard .223 Remington/5.56 NATO suppressors. A suppressor requires a separate ATF Form 4 tax stamp. Our team can recommend compatible options and help you navigate the registration process.

Q: What is the best use case for the A1 Carbine SBR?

A: The compact 10.5″ platform excels in tactical sport shooting, close-range recreational shooting, and home defense scenarios where maneuverability is priority. The .223 Remington cartridge provides flat trajectory and reliable accuracy at sporting distances.

Q: Does Rock River Arms warranty cover this SBR after NFA registration?

A: Yes, Rock River Arms stands behind all firearms with a manufacturer warranty. Contact Western Sport or Rock River Arms customer service with warranty questions or claims. We can also provide guidance on warranty coverage and service options.

Additional information