area. Upon opening the box we were greeted by a short AR-15 class firearm equipped with a silencer that was about the length of the nine-inch barrel. On the left side of the receiver the rifle had a semiauto/full auto latch, making this a submachine gun which sparked ev- eryone’s interest. This rifle had the customary upper
barrel receiver built by Advanced Ar- mament Corporation AAC, and a Bush- master lower. Caliber 30, cartridge type 300 Blackout 7.62x35, was a team effort between AAC and Bushmaster. Keeping in mind that the new Freedom Group has linked all these companies together under one brand, it is little wonder that these people would dive headlong into military-type design and development projects such as the Blackout program. Remington got the call for the cartridge development (using the 221 Fireball), which is a Remington child of the past. Therefore, the 221 Fireball in a blown out neck size became the 300 Blackout. The test rifle was an engineering
mess in some ways, but I would have taken it home in a New York minute. The scope was a heavy varmint model Leupold with ultra fine mil dot and spider web cross hairs. It was darned hard to see the mil dot at all in bright light. This was not the type of optic the rifle should have been paired with, but again, engineers simply want to test their in-house creations. The rifle had the full Weaver style
rail system, which would lend itself to the use of far better sights, such as ACOG combat types or lightweight lower powered scopes. The butt stock is adjustable for
length and (as indicated previously) the suppressor was installed using a quick detach system much like that found on
Jessica Kallam, Remington writer relations director, had no trouble handling the light machine gun. This was her first time behind a full auto firearm.
the well-known GemTech “cans.” Suppression quality with the
AAC 762 SDN-6 was very good, if not outstanding, in every respect. Thump, thump, at a decibel sound rate well un- der 130 dB was my guess, even when fired under a roof. As I not only shoot suppressed firearms a great deal here in South Dakota on both varmints and game, I also manufacture and sell sup- pressed shotgun barrels, and of late a brand new full suppressor prototype “can” developed for the Remington 870 shotgun (Metro Gun Systems ™), I think I have a solid handle on what sup- pressed gun systems are all about and can separate the good from the bad in short order. This system under current development is well to the positive side of any performance standard. Shooting the 123-grain JHP for accuracy was a bit of a circus in that
we didn’t have the customary time and ranging to do a complete and accurate test. In general, shooting by several indi- vidual members of the team illustrated that bullets went, for the most part, where they were aimed. When the test opened up a bit I proceeded to double and triple tap the gun, and at first an engineer came running up, thinking the rifle had gone out of time and had turned full auto on me. With a feel for the rifle in hand,
the engineer soon reached over my sand bag rest and flipped the switch to full auto. And then the fun began! Now it was time for the standing position, and I braced for a stiff rate of muzzle climb. I have seen enough exposure to SAW 5.56mm, Thompson 45 cal. submachine guns, SOCOM 7.62 variants, and full auto M-16s to indicate that this would develop into a change of pace quickly
Remington factory boxed 300 Blackout ammunition.
300 Blackout made from the basic 221 Fireball case blown out to 30 caliber. The larger bullet produces a major increase in kinetic energy and wound channel effect.
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