PTR AR Stock Adapter With Magpul Stock

AR15/M16 to HK 90 series stock adapter set with a Magpul MOE  stock installed as well as the buffer tube and castle nut. Just use your existing back-plate and buffer assembly and you are ready to go! This is a perfect compliment for those that want to use The Magpul Moe stock on your HK rifle or SBR.Fits any HK firearm that uses a metal back-plate such as the HK91, G3, PTR91, PTR-PDW, HK 93,33, 53 ,etc. Each adaptor includes the proprietary locking ring, Magpul MOE stock, buffer tube and castle nut installed and ready to drop on your HK Firearm. Made from aircraft grade aluminium and comes in a black hard coat anodized finish ready to install using your existing back-plate and buffer assemblies.Technical Note: This stock option will be about 1" shorter than the standard A2 fixed stock when fully collapsed.