![]() The Hahn non-dedicated block only required pressing the mag release button and it's out, for me it was worth giving up LRHO for quick swaps without tools. I think all these options have feed ramps which is recommended if you're going to run hollow points or truncated bullets. If you're on a budget the KAK blocks look good too. FoxTrot Mike Products AR-15 FM-9 Billet Stripped Lower Receiver 3. Hahn block and Metalform mags are hands down the MOST recommended setup for reliability on this forum, that's why I went with that. Macon Armory has a new bottom loader that is held in place with a screw on top that overlaps the top edge of the lower, which looks interesting, but I've had no experience with them. A dedicated 9mm lower is betterbut a standard AR-15 lower with a magwell adaptor also works. for LRHO you'll have to swap your bolt catch for a long finger bolt catch which captures the magwell block.Ī bottom loader gets around this, but the ones held in place with a set screw aren't 'quick swap' Coupled with the shorter barrel, lighter lower receiver. Tactical Edge Arms MOD 0 AR-15 Complete Lower Receiver - No Stock. Special Price 374.92 Regular Price 389.99. Andro Corp Industries AC-9 9mm Complete Lower Receiver - No Stock. Special Price 319.99 Regular Price 399.95. My magwell block is a Hahn non-dedicated top loader, made for quick swaps BUT no LRHO. Sharps Bros Warthog AR-15 Complete Lower Receiver w/o stock - Gen 2. Mine was a RRA which was ramped by ADCO, RRA may still NOT be ramping their bolts. Build your ideal 9mm AR-15 with this complete pistol upper receiver, with a Faxon barrel and free-float. Guntec AR15 9MM Dedicated Stripped Billet Upper Receiver - Gold. Please view details for more information. You Save:40.95 (24 ) Quantity: Whole number only. ![]() ![]() hammer (curved) and your 9mm bolt has to be ramped which is pretty much the standard these day, but check to be sure. Add to cart 9mm Uppers Sorry for the inconvenience. Guntec AR15 9MM Dedicated Stripped Billet Upper Receiver - Flat Dark Earth. Or swap buffers, which would allow you to run a heavier dedicated length 9mm buffer. Mine was a 14.5" BCM midlength which is on the undergassed side of things. Your buffer needs to be a carbine length 9mm (5 oz) buffer, this is the minimum weight for a 9mm and should run any 5.56 upper. Looking for an AR15 lower receiver or lower receiver assembly CMMG has you covered with all things lower receivers. Learn More.I swapped between a 5.56 & 9mm upper on the same lower for years. We aim to please, that’s why every CMMG product is backed by our Lifetime Quality Guarantee against material and workmanship defects. Check out our CMMG Resources article & video to learn more about what sets Radial Delayed Blowback apart. 45 ACP MkG platform, CMMG has adapted our Radial Delayed Blowback system across our pistol caliber lineup to create pistols and rifles with a softer recoil impulse and reduced bolt weight compared to traditional straight blowback systems. Radial Delayed Blowback™ Operating System Available in different Cerakote finishes, all CMMG® Upper Groups come complete with bolt carrier group and ZEROED™ accessories including: 9mm Uppers are designed to work with any standard AR15/Mk4 lower and 9mm AR Conversion Mags or our 9mm pistol magazine lower platforms: Mk9 (Colt-pattern mags), MkGs (Glock-pattern mags), Mk17 (Sig P320 mags). Having more options is always better, like what magazines you would like to use. CMMG®’s 9mm RDB uppers feature uncompromised design and engineering with styling that is never mistaken for something else. If you’re looking to build the most compact 9mm AR then look no further.
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