KAK Industry AR15 9MM Carbine Buffer Extended, Heavy 10 oz

I used one in my 9mm QC10 AR15. I also used the Wolff 10%+ springs in the Glock 33rd. mags to help with operation, so far no issues. I did have some with the standard types of solid buffers. I was also having some feed issues in the .45 until I used this buffer. If you're going to put together or even have one already this is the buffer for your pistol caliber AR15. It also costs less than many out there on the market.

This is the best 9mm buffer for the 9mm AR15. If you have any problems with the BHO or anything else this will probably solve it. Especially using hotter ammo. Although if you use the Glcok mag version add the Wolff 10% springs.

This helps my 8.5" 9mm pistol run noticeably quieter than with the standard 9mm buffer

I had a difficult time deciding between this buffer and the extended normal weight buffer, but went with this one since my bolt has the removable weight. You can always remove weight if needed. I have a standard weight recoil spring and 7.5 inch unsuppressed barrel. 115 grain factory loads cycle fine but the brass lands right at my feet. Bolt locks back after the last shot every time. An extra power spring will stovepipe brass with this buffer. This buffer handles +p and +p+ loadings very well which is why I went with it. If you only plan on shooting commercial standard loads, or light hand loads, I would recommend the lighter extended buffer as you will have less chance of a jam given the lower pressure. 115 grain federal - 1250 fps 124 grain +p Gold dot - 1350 fps 115 grain +p+ federal 9BPLE - 1460 fps

Glad I purchased this buffer. Saved quite a bit of money over other buffers of this weight. My buffer weighed in at 11.2 oz which is great! I was worried 10oz wouldn't be heavy enough. I replaced a H2 with a stack of 7 quarters which the recoil wasn't to bad to begin with, but it would really sling the brass. Now all my brass is in the 4-54-5 position about 4' away in a nice pile. Really cut down on the felt recoil too. This is running on a PSA Colt 9mm lower with a 5" supressed upper. Finish is flat black but who cares you never see. Would definitely buy another if needed