Helix Magazine with Shaped Projectile Spring A5 Threads Length: 12

Length: 12

and civilian users

Internal Air Kit Guide: https://mcsus

The Dove Tail Rail Mount converts your existing Dovetail style rail system to a 20mm Picatinny Rail to mount MILSPEC optics and accessories

Remove some material on front of the power tube until it is flushed to the bridge - failure to do so will prevent the SHAPED PROJECTILE to feed consistently

Helix Magazine with Shaped Projectile Spring A5 Threads Length: 12The Helix magazines combine simplicity of design, ruggedness of material, and the authentic look of battle rifle magazines. Good to go for all guns that accept DMags, the Helix magazines are so reliable that they're used by actual SWAT teams and military units in their force on force training. It takes a high performance standard to be their go to magazine, and it takes a rugged, simple design to stand up to their hard use and abuse in the field.