Check the listing for details. Smith & Wesson M&P 22 LR 1/2x28 Thread Adapter. Condition: New. Listed at 24.95 USD. 1/2 x 28 TPI Adapter THIS IS NOT A MAGAZINE, GUN, THREADED BARREL OR BARREL SHROUD! Auction is for one (1) 1/2x28 thread adapter for the S&W M&P 22 pistol made by Walther (NOT FOR THE COMPACT MODEL). The thread adapter screws onto the factory threads of the barrel and allows you to install muzzle devices with the 1/2 x 28 threads per inch thread pattern. Constructed of 4140 Alloy Chromoly Steel With Black Oxide (blued) Finish with included fluted thread protector. (Will not fit COMPACT models, only the full sized models). Any 10mm open end wrench found in a standard tool set will work to install and remove this adapter.See my YouTube Channel "NicTaylor00" for more parts. Sorry, I can not ship out side the US.WHAT YOU GET 1 x Steel Adapter with Black Oxide (blued) Finish 1 x Fluted Steel Thread Protector Installation instructions: Remove factory thread protector and screw on the thread adapter.