Crosman 1377

This direct bolt on adapter is specificaly designed for the 2250 with its

external air tranfer tube and also can be used on any 22XX or disco

models that utilize an 7/8 main tube to add a HPA or Co2 external

tank for a performance air uprgrade over cartridges or pcp systems.

price: $35.00 ea.

Spring guides help keep the hammer spring from bending to the side

when gun is cocked and also preload the hammer for a more powerfull

hammer strike on the valve resulting in more FPS by keeping the valve

open longer and opening faster. Guides fit all models.

price: $5.00 ea.

1377 Flat Top Piston is easy to install and can increase performance

by 100 fps. Fully adjustable with the highest quality viton duro. 90

orings, A must have for 13XX owners.

price: $30.00 ea.

Durable Viton Duro. 90 Orings can be used for pistons or valves

on all 13XX guns. Sold in sets of three. Price: $5.00 per set