Every round was flawless and the bolt stayed open on the last round EVERY TIME! Since the lowers magazine catch is what holds the block in, I could actually use it without the top screw (in case I lost it) as the only time it would be unsupported is the 1/2 second you release a 9mm mag and since its a snug fit, the block isn't going anywhere.įirst time I used the block I fired a 300 round assortment of Remington 115gr FMJ, S&B 115gr FMJ, Winchester "Forged" 115gr FMJ (Win Forged is garbage) and even steel cased Wolf 115gr and Tula 115gr. Better too big then too small and it now fits perfectly snug. It took a bit of work to fit the block to my AERO lower but thats a good thing. I couldn't stand taking a shot and "click" so I bought the KAK with LRBHO. I bought a Hahn 9mm conversion block and it works great but was almost twice the price of the KAK and does not hold the bolt open after the last round. Tried several lowers before I found one it liked, kinda like college roommates. Initially a bit worried as, it fit as tight a a scotch mans purse. Tried the looser one in a different lower and it absolutely would not fit. Haven't tried live fire yet but will soon.īought two of these an could installed both in the same lower, could tell that there was a noticeable different in how tight one was over the other. Metalform 32's drop out beautifully but jam when cycling dummy rounds. Ordered Pro Mag 32 and 25 mags which took some modifying to drop free. Received in good order, Would not go into PSA lower so I used an Anderson. On the contrary, the Colt style magazine when installed in the KAK mag well adator is a nice snug fit but drops our easily when the mag relaese is activated. I have a dedicated Glock lower and it has feeding issues, mainly becssue of no feed ramps and also the Glock and Pmag magazines are loose in the lowers mag well. I really like the feed ram idea on the Colt style blocks, it definitely helps to eliminate feeding issues. The product worked perfectly after the initail triming of the front and rear of the block. and C-Products Colt style Duromag to the range yesterday and had no FTF issues! I took the finished rifle, KAK 9mm 16" barrel, Anderson lower with KAK mag well adaptor. 004" combined from the leading and trailing edges the fit in the Anderson lower was nice and snug-could be installed and removed with finger pressure. After discussing the issue with Chris the block was exchanged for a new unit but it was still too tight. The first mag adaptor that I recieved from KAK was too tight to fit in an Anderson lower. 5 Very Tight Fit-Requires some Trimming but Works Great.Shipping was fast, and install instructions were included even though it's pretty self explanatory, but it was nice to have them included. Haven't had a chance to take it to the range but based off of overall product and customer service I recieved i will be ordering from KAK again. Two set screws for added security and it’s good to go! But a little rubber hammer, with gentle taps, slips it right in. This 9mm AR adapter accepts Glock style double stacked 9mm magazines and comes with one 10 round magazine.So far it has worked great! I have it in a Silencerco lower and it was extremely tight to get in. Made from 6061 T6 aluminum, this durable mag well adapter has a built in magazine release for your Glock mags, locks in place with your standard AR-15 magazine catch, releases the same way AR mags do and has a bolt hold open feature that locks your bolt back after the last round. New from American Tactical, the AR-15 conversion adapter that will fit any standard AR-15 556/223 lower and convert it to 9mm with no required modifications to your lower or magazines. IMPORTANT- You must install a complete 9MM AR Rifle or Pistol Upper receiver onto your 556/223/300blk lower receiver for this to fit and operate. This 9mm AR adapter accepts Glock style double stacked 9mm magazines and comes with one 10 round magazine. This mag well adapter has a built in magazine release for your Glock mags, locks in place with your standard AR-15 magazine catch, releases the same way AR mags do and has a bolt hold open feature that locks your bolt back after the last round. The AR-15 conversion adapter will fit any standard AR-15 556/223 lower and convert it to 9mm with no required modifications to your lower or magazines.
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