MP5 40 & MP5 10mm High Impulse Locking Piece Marked #25
Made from an enhanced material and heat treated to factory specifications. Each MP5 40/10 60 Degree Locking Piece Is Used For High Impulse Ammo Commonly Found In +P Or +P+ Ammo. Each Locking Piece Is Needed To Cycle These Hot Loads Without Excessive Recoil Or Impulse That Can Cause &quot Receiver Dimpling&quot Or Damage From Too Much Energy During Cycling. When Using Hot Loads The #25 Locking Piece Should Be Used. The Low # 24 Locking Piece Should Be Used For Standard Loads With Low To Average Impulses. This Is A Must Have For All Owners That Have An MP5 40 or 10mm Firearm.

Fits MP5 Variants:

• MP5 .40
• MP5 10mm