![]() ![]() In the AR-15, the gas continues to flow through the gas tube until the bullet has left the barrel and, once inside the carrier, it continues to expand like the gas inside the cylinder of an engine. This is a stark difference from the systems of prior direct-gas rifles, in which the gas directly impinges into a dead-end recess in the bolt carrier. U556 from DRD Tactical can be had in a rugged SSK carrying case that allows the rifle to be transported in a small package while it can be assembled in less than a minute without tools!ĭesigned with a system of operation few understand, the AR-15 (and Eugene Stoner’s AR-10 before it) uses an extended gas port in the form of a stainless steel tube to transport gas tapped from the barrel directly into a receptacle, which transfers the gas into the gas cylinder section of the bolt carrier. I like most firearms because of nostalgia, their appearance or, most of all, because they work, and that’s why I like the AR-15 platform. Having owned, carried, competed with, hunted with, and tested more firearms than I’d care to count since my Dad shipped me that Type 99 Arisaka in 1945, I have fairly strong opinions about what I like and what I don’t. Then again, elements exist that not only catch one’s eye but also prove valuable in use. A firearm can be an ugly duckling, but if it proves itself when the chips are down, it takes on a beauty all its own-the beauty of utility. In reality, the old saying, “beauty is as beauty does” pretty much says it all. DRD U556 Multi-Cal fills a variety of roles. These investment-grade guns are great to appreciate, but will they be nearby when the elephant appears?Ĭop’s best friend can be a high-quality patrol rifle. But just as often, such improvements amount to little more than pin striping or eye candy that entices one to buy a firearm but may have little utilitarian value. Many of today’s tactical treasure makers have upgraded or modified their ARs to include such innovations as quick-change barrels and calibers, exotic barrel machining, handguard variations, and much more. With hundreds of companies offering AR-15 variants in America and roughly 30 in foreign countries, the design could become the most prolific in the world. Seeing the AR-15 for the first time at the NRA Convention in Los Angeles in 1964 (the last one to ever be seen in California), I marvel that the little rifle is 100 times more popular half a century later. Take the concept for the AR (ArmaLite Rifle) platform: springing from Melvin Johnson’s rifle, Eugene Stoner’s AR-15 was certainly groundbreaking. You can decide how valid this statement is, but it is certainly arguable. Your Aptus is assembled in 60 seconds or less.It is said that there are no new designs, only modifications of old ones. Slide the free floating rail over the barrel and attach it to the barrel nut, push the cross pin and engage the tightening lever. Simply line up the gas tube, insert the barrel and hand tighten the barrel nut. ![]() The barrel indexes and attaches to the receiver with a large barrel nut. The 16" 5.56 NATO barrel has a 1:7 twist and 1/2"-28 TPI, A2 flash hider. The upper and lower receivers are machined from billet aircraft aluminum for a precise fit. A non-reciprocating left side charging handle brings the rifle to locked and loaded status in an instant. ![]() This allows the stock to fold for storage or use in tight spaces. DRD Tactical Aptus Takedown AR-15 Rifle has a patented internal recoil system takes the place of the standard buffer and recoil spring found on traditional ARs. ![]()
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