6.8 mm SPC Cartridge History & Development. Hornady's Ammunition. The Stag Carbine.

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Outfitted with a Harris bipod, Magpul PRS adjustable stock, and suppressor, this 18-inch 6.8 SPC is capable of delivering rapid and accurate fire on near and distant targets.

Most civilian shooters won't be doing urban CQB or 600 yard engagements in the Afghan mountains, however the 6.8 SPC is perfectly suited to more mundane uses. Intermediate-power cartridges like .257 Roberts, .250/3000, .300 Savage and most notably .30-30 have been used for over a hundred years to harvest deer and other North-American game. The 6.8 SPC fits right in with these venerable choices. While an anti-personnel round should have dramatic fragmentation and 12-inch minimum penetration, most big-game hunters want a bullet which will penetrate the muscle and bone of a deer's shoulder and still produce an exit wound for tracking. This suggests that a good choice for deer would be a stoutly-constructed bullet, such as the new 110-grain Barnes TSX, made entirely of a copper alloy.

Bucking conventional choices, an AR-15 chambered in 6.8 SPC makes an excellent hunting rifle. Legal even in states with a 0.243-inch minimum caliber, it provides a compact and lightweight package. A 16-inch carbine with a collapsible stock and iron sights or a compact optic is a good recipe for the stalking or stand hunting typical of the East and Midwest where average shots are often 50 yards. 6.8 SPC carbines have successfully harvested deer for the last several years, at distances as far as 300 yards. Many American rifle hunters are sending the gun makers photos and stories of their accomplishments with 6.8 SPC on mule deer, pronghorn, antelope, caribou, hogs, coyotes, and wild dog packs.

For years, shooters chatting at the range or on the Internet have discussed what they "wished the AR-15 could do" and decried its diminutive 5.56 cartridge. With the advent of 6.8 SPC, fans of the "Black Rifle" are realizing it is now in a new category-- a real game-stopper and man-stopper. The soldiers of the Special Forces and the USAMU have opened the door to revolutionary capability in the AR-15; all shooters need to do is step through and start lighting primers.


 Caliber Comparison Chart

                        Muzzle       200 yards                400 yards
                        velocity     drop        velocity     drop         velocity
 .223 55gr M193         3070 fps     2.2 inches  2353 fps     27.8 inches  1743 fps
 .223 77gr OTM          2670 fps     3.3 inches  2216 fps     32.7 inches  1810 fps
 6.8 SPC 115gr SMK      2650 fps     3.5 inches  2143 fps     35.4 inches  1677 fps
 6.8 SPC 110gr V-MAX    2650 fps     3.3 inches  2208 fps     33.1 inches  1811 fps
 7.62x39mm              2300 fps     5.9 inches  1787 fps     53.8 inches  1368 fps
 .308 168gr SMK         2600 fps     3.4 inches  2235 fps     32.3 inches  1891 fps
 
 Typical trajectory information from carbines with drop and velocity calculated
 at sea level with a 100 yard zero.

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