KAK MP5K Buffer Tube Adapter Flat Black Anodized

KAK MP5K BUFFER TUBE ADAPTORENABLES THE ADDITION OF AN AFTERMARKET ARM BRACE OROTHER PISTOL BUFFER TUBE ACCESSORYADAPTER IS MADE OF 6061 T6 ALUMINUM, FLAT BLACK ANODIZEDIF USING A CARBINE STYLE CASTLE NUT BUFFER TUBE THERE ARE TWO THREADED ALIGNMENT HOLES (10x32 THREAD) FOR TUBESTHAT USE A NOTCH FOR INDEXING. A 3/16 HALF DOG SOCKET SET SCREWWOULD BE USED FOR PROPER INDEXING.FITS K STYLE 2 PIN RECEIVERSSHOWN AND TESTED WITH A ZENITH Z-5K PISTOL (NOT INCLUDED)