The Socom II AA9629 has an extended top rail that reaches over the chamber and all the way back to the rear sight. Mounting a scope on our Socom II did produce a challenge. Adjusting for windage and elevation were as simple as working an Etch-a-Sketch. The chore of zeroing the 30mm-tube Leupold for three different guns was no chore at all.
60010 long range-tactical scope, which had a mil-line reticle with illumination on demand (). The Ruger and Springfield Armory carbines arrived with iron sights, and the Armalite featured a rail atop the receiver and another shorter rail above the gas block perfect for mounting a set of removable sights.īut because the 308 Winchester is widely used for precision rifle applications, and the 6.8s ballistics make it suitable for those ranges as well, we fitted the trio with a Leupold Mark 4 3.5-10X40mm LR/T No. We usually test carbines from a distance of 50 yards, and the guns sights were suitable for that. For our accuracy tests we fired from the 100-yard line at American Shooting Centers in Houston (). We performed two firing sessions, one for accuracy and another for fast-action capability that featured multiple targets at close range. Our 308 Winchester test ammunition consisted of Federals American Eagle 150-grain full-metal-jacket boattails, Winchester 150-grain Power Points Black Hills Gold 155-grain Hornady A-Max cartridges, Hornady 168-grain TAP FFDs, Black Hills 168-grain boattail hollowpoints, and Black Hills 175-grain boattail hollowpoints. We decided that it would not be fair to test with rounds that we knew would limit the ability of one gun or the other, so we tested with a greater variety of ammunition than we normally use. In short, the Armalite preferred lighter bullets, and the Socom II performed better with heavier bullets. After initial tests we found that the M1A platform and the AR platform performed very differently depending on ammunition. On the 30caliber side, our choices were more complex.
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They were the 110-grain Pro Hunter and the 115-grain Match King. We chose 110-grain V-max rounds from Hornady and two different rounds from Silver State Armory,. To this mix we added a midrange-power 6.8mm Remington SPC Ruger KMini-6.8/5P, $894.Ĭhoice of 6.8 SPC test ammunition was limited. Against that bigger, but still familiar, design, we pitted a similarly-familiar M1A variant in the form of Springfield Armorys $2090 Socom II AA9627 with black fiberglass stock.
In the AR15 platform, we started with a 308 Winchester-chambered Armalite AR10 A4C carbine, $1502. But if you visit your local shooting range, you will find AR-style carbines, circa the 1960s, shooting alongside historical battle-rifle actions made popular in the 1940s.įor this evaluation we acquired three different solutions to the self-defense rifle equation, mixing midrange and top-of-category power choices with 6.8s and 308s. The most popular platform is the AR15-based weapon chambered for 223 Remington. Applications range from law enforcement and home defense to competitive target shooting and hunting. Semi-automatic carbines have become enormously popular.
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