My test sample actually measured at a light weight of 3.75 lbs. with a very short and positive reset making precision shooting and rapid fire easy. This non–adjustable, two-stage trigger has a pre-set pull weight of 4 lbs. The AR9 is outfitted with the excellent Tactical Trigger Unit. Wilson combat engineers designed a bolt hold open device which engages the magazine follower. Remember, this is not a gas-operated gun and there is no locking mechanism so, with the goal of producing a gun capable of a lifetime of service without failure, engineers left the extra material there to protect the bolt lock and receiver. Wilson Combat’s rifle department manager, Brandon Collier, explained that the extra material was to protect the bolt lock and receiver area from the harsh pounding of the blow back bolt. Obviously the piece of material was purposefully left when the rest of the aluminum was machined away. Situated in front of the bolt lock is a rectangular pillar of aluminum. In examining the Wilson Combat AR9 lower I found a design feature that I wasn’t able to figure out.
The pillar of material in front of the bolt lock is to protect the receiver and bolt lock from the pounding of the blowback action. It’s an ingenious solution to a problem most other designers overlook. The bolt lock actuator is attached via a rod to the bolt lock with roll pins so the parts can never come out of time. Wilson Combat engineers were able to achieve this by designing a finger of steel that engages the magazine follower. Unlike most other AR-style 9 mm rifles, the AR9 has a last-round hold-open feature. The magazine well opening is wonderfully blended for rapid reloads, and the magazine release pivots to release the magazine with its paddle located in the usual AR-15 location. Starting with a billet of 7075 aircraft grade aluminum, Wilson Combat craftsmen machined it into a sleek lower. Wilson Combat engineers actually had to develop three different lowers because of the difference between the Beretta, Smith & Wesson and Glock magazines. It’s not just an AR receiver with a conversion block attached to its magazine well. The heart of the gun, or its foundation, is the lower receiver. From its materials, to its design and to assembly, it is clear Wilson Combat has strived to produced a gun second to none in reliability and accuracy. Bill Wilson made it a personal goal to produce the absolute finest home-defense gun. Wilson Combat has designed three different AR9 lowers to work with the magazines of these three ubiquitous cop guns.īut Wilson Combat isn’t limiting the new AR9 to law enforcement. What sets the new AR9 apart from just about every other manufacturer is the guns are made to be companions to the three most common service pistols in law enforcement: the Glock 17, Beretta 92 and the S&W M&P9. They did not simply convert an existing AR-15 into this chambering. Wilson Combat takes this concept a step further with the introduction of the new AR9 Carbine.Ĭhambered in 9 mm, these guns are specifically engineered for this cartridge. Long guns also made it much easier to hit a target and, then too, there was the convenience of having just one caliber of ammunition. Even in the 1870’s they understood the short rifle’s extra barrel length translated into extra velocity and energy. It’s a concept that dates back to the Old West when savvy cowpokes carried a carbine chambered for the same round as their revolver.
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