A breakdown of 7075 vs 6061 (Photo: Proto Labs) Most lowers use 7075 aluminum, a durable and lightweight metal. One thing you don’t typically need to consider is material. On the other hand, don’t expect them to include high-end parts. The same Foxtrot Mike lower as above, but a completed version.įully assembled lowers require less work and typically cost less than buying parts individually. Check out our Guide to Assembling a Lower.Ī fully assembled (or complete) lower will come ready to shoot as soon as it’s attached to a complete upper assembly with everything installed. Stripped receivers give you the room to hand-pick every single part of your lower assembly for the ultimate custom feel. A Foxtrot Mike stripped lower.īut don’t worry…the ejector and mag release are almost always installed already. You’ll need to buy the rest of the lower assembly parts individually or as a lower parts kit (LPK). Lowers can be either come stripped or fully assembled.Ī stripped lower includes the receiver itself and minimal or no other parts and hardware. There are a couple of other things to keep in mind when choosing a 9mm lower. When selecting a 9mm lower, you’ll want to be aware of which you prefer and choose your lower to match Colt mags or Glock mags. The other major difference is that 9mm lowers feature a different magazine well and mag catch/release – either Colt or Glock style. These AR-15 lowers look way different than their 9mm counterparts.īecause of this, 9mm lowers come with a pre-installed ejector since they require a smaller fire control group. The Low-Down on Lowers: 9mm Styleįirst let’s talk about how a 9mm lower is different than a standard 5.56/.223 model.įor one, 9mm setups use a blow-back system, rather than a gas system like you find on a standard AR-15. You can choose between fluted or non-fluted barrels in a variety of lengths and designs.Loading. The Wilson Combat AR9 can be ordered with your choice of Glock 17, Smith & Wesson M&P or Beretta 92 magazine compatability and configured as a pistol, carbine or short-barreled rifle.
When the AR9 is mated with a quality red dot sight and weapon light it is an exceptional training and home defense firearm for shooters of all skill levels,” said Bill Wilson, president of Wilson Combat. "We have extensively tested the AR9 and it has exceeded my expectations for reliability and accuracy. In addition, a host of optimized suppressors with minimal gas blowback helps you achieve that precise shot. The AR9 achieves quality and accuracy due to its carbon steel match-grade button rifled 1:10-inch twist on a 9 mm barrel. The AR9 features a bolt hold open that ensure a reliable lockback on empty with your pistol’s factory magazine and a proprietary bolt carrier group with heavy duty claw extractor and plunger ejector. The Wilson Combat AR9 9mm pistol caliber carbine is a closed-bolt blowback operating system that’s soft and reliable and is fit for a variety of 9 mm loads including hollow point and +P tactical ammunition. It retains the handling and controls of the AR platform that many are familiar with, and it’s available with your choice of pistol magazine compatibility, barrel length, custom Armor Tuff colors as well as other accessories to suite your needs. Don’t think this is just a converted AR-15, the Wilson Combat AR9 has been specifically designed for superior reliability and maximum accuracy.