6.8x51mm NGSW

In UAS 6.8x51mm NGSW encompass all variations of cartridges from NGSW program. They all share same trait: being basically nextgen battle rifle ammo combining "optimal" .277 bullet diameter with much heavier projectiles much more powerful charge. All ammunition at the moment is American due to extremely niche cartridge.

UAS Ammunition Index

 * XM1168 GPR: Ball round with hardened steel core. Capable beating armor plates of NIJ IV classification.
 * XM1169 AP Sniper: Steel-cored match round for marksmen.
 * XM1170 AP: Tungsten-core AP round.
 * XM1184 AP: Improved "Special purpose" AP round.
 * XM1184: AP round. Target penetration range of IV plate at 600m.
 * XM1185 AP-T: Tracer version of XM11184.
 * XM1184A1 APDU: Wartime version with depleted uranium penetrator.
 * XM1185A1 APDU-T: Wartime tracer variant.


 * XM1186 GPR: Improved ball round. Capable beating armor plates of NIJ IV classification at approx 400m range.
 * XM1187 GPR-T: Second-gen ball round with tracer.
 * XM1188 APFSDS: Tungsten flechette able to beat NIJ-IV armor from one klick away.
 * Aeroshell SLAP: Full-bore AP round with thick polymer jacket offering SLAP-like qualities while being muzzle device-safe.
 * Fury Match: Match-grade load developed by SIG for .277 Fury - civilian version of their entry.
 * HAPI API: Ammo Inc. API load with large reactive incendiary charge.
 * SIG WC UAP: Very potent SIG-designed AP round, supposedly able to defeat 25mm of RHA from one klick away.
 * NM142 HEIAP: Downsized Raufoss-like multipurpose round.

Red Mercury Ammunition Index

 * Glasser HVAP: Hypervelocity tungsten-tantalum penetrator. Penetration is not a number, it is question. Answer to question is yes.