Rock Island Armory M1911 OR 51399 Pistol .45 ACP 5" Barrel 8+1 Single Action Optics-Ready Suppressor Sights Black

The Rock Island Armory M1911 OR 51399 is a full-size, semi-automatic pistol chambered in .45 ACP that blends classic 1911 reliability with optics-ready capability for today’s shooters. It features a robust steel construction highlighted by a black Parkerized finish for durability and reduces glare during use. Its single-action operation, suppressor-height sights, and RMSc footprint optic cut provide versatility for mounting micro red dots and co-witness aiming.

• Accepts RMSc footprint micro red dot optics
• Includes suppressor-height sights for co-witness capability
• Chambered in .45 ACP with 8+1 round capacity

Designed for shooters who want classic performance with modern adaptability, this M1911 offers a durable platform suited to both enthusiasts and professionals. Its combination of reliable function, enhanced sighting options, and substantial caliber make it well-equipped for range pursuits or personal use.