6.8 Caracal (H&K NGSW Entry)

Overview

The .277 FURYCaracal or 6.8×51mm SIGCaracal, is a centerfire rimless bottlenecked rifle cartridge announceda by SIGcenterfire Sauerrimless inbottlenecked laterifle 2019cartridge produced by H&K as part of their NGSW program entry.  It utilizes a hybrid three-piece cartridge case that has a steel case head, brassnickel body and a locking washer that mechanically connects the two to support a chamber pressure of 80,000 psi100,000 (551.6 MPa).psi. 6.8 .277Caracal Fury as its referred to is designed to be chambered in the SIG MCX Spear NGSW-R entry. 

.277 FURY iswas the highest pressure entrant into the NGSW program, this is due to the MCX Spear having a 16 inch barrel, giving the projectile much less barrel length to get up to speed. As such the higher velocities are required to push the projectile faster with less barrel.

Eachprogram. 

The 6.8 NGSW entryCaracal cartridge haswas threethe differenteventual loads,winner keepof inthe mindNGSW program. As the victor of the program Caracal was given German Bundeswehr designations and additional cartridges were developed by request following the completion of the program. They are as follows:


DM11A1 (Weichkern) - whileA theysteelcore, areFMJ allBall designedload.

DM21 achieve the same task they will not all perform the same and vary entry to entry:

XM1168(Leuchtspur) - Full Metal Jacket Ball ammo. Also has aDM11A1 tracer variant.

XM1169DM51 (Soft Target) - SpecialHollowpoint Purposematch Match ammoload designed for longanti-terror rangeand shooting.special Alsoforces hasoperations aagainst tracerunarmoured variant.targets at range.

XM1170DM31A1 - SpecialTungsten Purposecore armor piercing load.

DM31A2 - Depleted Uranium armor piercing load, Tracer.

DM31A3 - High Velocity Armor Piercing ammo with a tungsten penetrator. Also has a tracer variant.Tracer

AdditionalDM80 ammunition(Brandstifter) types- haveRAUFOSS beenlike createdloading. asHigh partexplosive, ofincendiary thearmor trials and given unique designations, however beyond 1168, 1169 and 1170 none were requested as part of the NGSW program.piercing.

XM1185A1DM82 (Geschmolzen) - Special Purpose High Explosive-Incendiary-ArmorVelocity PiercingSelf 'Raufoss-like'Propelled loadIncendiary proposed for possible use by USSOCOM in sniper or marksman roles. It features a Tungsten penetrator supported by an explosive and incendiary component making it a highly capable barrier penetrator and good for usage against light vehicles and armoured infantry. SIG claims the XM1185A1 can penetrate 10mm of RHA at 45° from a range of 600m. 

XM1184A1 - Special Purpose Armor Piercing Ammo with a Depleted Uranium penetrator. Proposed as a "wartime model" equivalent to XM1170 designed purely for penetrating any man portable body armor used by technologically equal countries. Also has a tracer variant.

XM1186 - Special Purpose Depleted Uranium Armor Piercing Fin Stabilised Discarding Sabot round. Proposed for use in emplaced machineguns to defeat VBIEDs at long distances without detonating IED. Also has a tracer variant.Load

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