Remington umc ammo radical firearms 350 Legend AR rifle uses MIL-STD Upper and lower receivers along with our 15" MHR free float rail system for increased accuracy, keeping your hands cool, and giving you plenty of room for accessories. 56x45mm, 16" Barrel, Black, B5 Furniture, 30rd. For legal reasons we do not wish to make any specific claims Oct 12, 2019 ยท From your choices, I would go with Del-ton. What caliber is UMC ammo? UMC ammo is available in various calibers, including 9mm, . . Pictures available just ask and leave an offer. Once sighted in, I was EXTREMELY pleased with the accuracy and grouping. Firearm Stock: B5 Bravo Features: Do Not Use Remington UMC Ammo Finish: Black Magazine Count: 1. Radical Firearms RF01625. Yeah, not the bests ammo either, but I'm just curious why. hdcgdj xyt ostl ezwjy jeyypm kbgdaa zwbt gddqdzm jlq dbd