

This would include the M24, M2010, and Mk. 248 Mod 1 is “hot rodded” ammunition which significantly exceeds performance of sporting spec ammunition and which is only suitable for rifles designed specifically to fire it. Mod 1 ammo uses a very heavy 220 grain Sierra Match King open tip match bullet, with velocity requirements of 2,800-2,900 feet per second when fired at room temperature. First, it has a COAL (Cartridge Overall Length) designation of 3.500”, notably longer than SAAMI’s 3.340”.

According to a publicly available Detail Specification from NSWC Crane, the Mod 1 designation has some significant deviations from commercial specifications. The Mod 1 ammunition is a different story. It makes use of a 190 grain Sierra Match King bullet for better stability at range and higher ballistic coefficient. 248 Mod 0 ammo is dimensionally and ballistically similar to some high end commercially available. The ammo was previously manufactured by Federal. The announcement follows several years of intense diversification by Sig Sauer, who have greatly expanded design and manufacturing in firearms, ammunition, and advanced optics. 248 Mod 1 and Mod 0 ammunition intended primarily for the Remington M2010 rifle and other Army sniper rifle platforms. If you get the feeling Sig Sauer is everyone in US military supply contracts lately, you’re not alone.Īccording to a press release from Sig Sauer, they have been awarded a $10 million fixed-price manufacturing contract to manufacture Mk.
