And this lower receiver accepts Colt SMG magazines. However, the increased price comes with benefits that you don’t get from a lower priced model.įirst, this lower receiver comes with the ejector, bolt catch, and feed ramp that are often not included in more affordable lower receivers. The PSA 9MM Classic Colt-Style Magazine Lower is a step up from the PSA PX-9 lower receiver in terms of price. If you need an affordable 9mm AR lower receiver, though, this is a good way to go. But maybe that comes with the territory of a budget lower receiver. The biggest downside to this PSA lower receiver is that there’s no last-round bolt hold open. Glock magazines work well enough in AR pistol caliber carbines. And you might have some on hand already. Lastly, this lower receiver accepts Glock magazines. In other news, this lower receiver has an integrated trigger guard, which is flared for easier operation with gloves. PSA states that you’ll need to use a PSA 9mm hybrid upper receiver, because it has the requisite feed ramp.īut PSA hybrid upper receivers are also pretty affordable. However, the lack of a feed ramp means that you’ll need to use an upper receiver that supplies some sort of feed ramp. So you can simply slap a standard bolt catch on this lower receiver. Standard AR-15 lower receiver parts fit in this lower receiver. However, it does not include a feed ramp or bolt catch. This lower receiver includes a 9mm ejector. But it’s not just a cheap 9mm lower receiver. The PSA PX-9 Forged Stripped Lower with Mag Catch Assembly and Ejector is easily one of the most affordable 9mm AR lower receivers on the market, especially when it’s on sale (which it often is). PSA PX-9 Forged Stripped Lower with Mag Catch Assembly and Ejector Most shooters will probably need to purchase Colt SMG magazines, since they’re less common than Glock magazines.Ģ.Accepts any 9mm AR components (buffer, buffer spring, etc.).Teflon coated anodizing is resistant to scratches and provides smoother feeding and bolt operation.Includes all the hardware you need-bolt catch, ejector, and feed ramp.Colt SMG magazines are the most reliable option for 9mm AR carbines.And you can get aftermarket Colt SMG magazines that are affordable and reliable. However, this is still a great 9mm AR lower receiver. You’ll probably need to buy some magazines if you use this lower receiver, since it’s unlikely that you already have Colt SMG magazines laying around. The only real downside is the Colt SMG magazine compatibility (even though it has upsides in terms of reliability). Last thing: this is a really solid lower receiver, which is actually quite affordable, considering the quality. The teflon also reduces friction for more reliable feeding and bolt movement. The teflon coating protects the finish from scuffs and scratches. The other thing about CMMG components that I like is the teflon coating. So you get reliable operation and a proper last-round bolt hold open. The feed ramp, ejector, and bolt catch are all included with this lower receiver. So there’s less magazine play, which makes Colt magazines more reliable in the AR platform than Glock magazines.Īdditionally, this lower receiver has all the bolt interface hardware for shooting 9mm from an AR-15 platform. Personally, I prefer Colt magazines over Glock magazines for AR carbines.Ĭolt magazines have a tighter bolt catch lockup. This 9mm lower receiver takes Colt SMG magazines. The CMMG AR-15 9MM Dedicated Lower Receiver is basically the lower half of a Banshee carbine. The CMMG Banshee is one of the premier 9mm AR carbines on the market.
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