Excellent fit and is effective as explained. Super easy to install. Super fast transport from hkparts. Will definitely do enterprise once more. Highly recommend All MP5 full size stocks and braces use 1 large push pin only. The MP5K (shorter barrel length) models use 2 X on the smaller push https://jaspervwvrq.mpeblog.com/37268373/an-unbiased-view-of-28-barrel