Power Adjuster To Suit Crosman 1377, 1322 PC77 Back Packer Ect  

Made from the finest Brass and Aluminium

  Suits 1377 ,1322 PC77 Back Packer & under lever models

Note this Diameter is 15.6mm that goes into the rear, check your model before ordering. 

This power adjuster is smaller than the 18.9mm Diameter for the 2240 & 2250 Models. See sellers others items for this power adjuster.

CNC machined to very High Specification.

Making a Great gun even better.