The Worker MOD Metal Muzzle is specially design for Nerf Longshot Blaster. This integrated design replace the stock plastic muzzle that allow holding the alloy barrel tube for stefan breech kit. Please notice this muzzle require stefan breech kit from Worker/ Artifact, please seek for advices before purchase and modifying your blaster.
 

Worker MOD Metal Barral Breech Dart Gate Adapter for Nerf LongShot Modify Toy