MP7 Update - have I fixed the problem?

The latest in the saga for my TM MP7 #airsoft #mp7 #tokyo #marui #tokyomarui #gbb #gbbr #gasblowback #upgrade #upgrades #fix #fixed #problem #issue #issues #problems #fixes #laylax #mp7a1 #tm #repair #repaired #sling #mount #slingmount #h&k #heclkerandkoch #handk #Japan #japanese #plastic #greengas #gas #uk