The Springfield Armory Ronin AOS 4.25 blends classic 1911 balance with modern optics compatibility and refined finishes. Forged components, a match-grade 4.25" barrel, and a traditional bushing system deliver enduring accuracy and feel, while the AOS mounting system and included Gear Pac (mounted Viridian RFX11, extra magazines, premium bag) make it range-ready straight from the box. Includes the Springfield Armory Gear PacA(R)a |this firearm includes (4) magazines, Viridian RFX11 green dot optic, and premium pistol bag. The optic comes mounted and ready for the range. .45 ACP 8+1 rounds (flush) 4.25" forged stainless barrel AOS optics-ready (cover plate included) Forged blued slide; satin aluminum frame Fiber-optic front / serrated rear sight Crossed Cannon wood laminate grips Springfield Armory Gear PacA(R): (4) magazines, Viridian RFX11 green dot optic, and premium pistol bag