Power Hammer Spring with Brass Guide
Crosman Upgrade Hammer Spring Guide to Fit 2240 2250 - Etsy
STAINLESS STEEL FLUTED NOTCHED HAMMER w/ SS PIN for Crosman 2240 2250 etc | eBay
Match Grade Trigger Assembly with Free Flight Hammer - Crosman 1377 / 1322 / 2240 / 2250 / 2260 - MGT13xx-22xx - AirgunBuy.com
mpk5959 EZ-Cocking hammer system for Crosman 2240 by Martin - YouTube
Crosman trigger…taming the shrew | Airgun Talk | Airgun Warriors Forum
Crosman trigger/sear mods | Airgun Forum | Airgun Nation | Best Airgun Site | Airgun Message Board
High Performance Hammer Spring
Tuning - Another Crosman 22xx build with valve power mods | Airgun Forum | Airgun Nation | Best Airgun Site | Airgun Message Board
Crosman 2240 Mod - YouTube
How to change the Crosman 2240 and 1377 Hammer spring - YouTube
Crosman 2240 - FREE Lighter Hammer Spring Mod - 90% Increase in CO2 shots - Minimal FPS Loss - YouTube
Another Airgun Blog: Installing Crosman's Two-Stage Trigger on a 22XX -- Part 1
High Performance Hammer Spring
UPDATE: “Coolest 2240 upgrade” Terrible build quality | Airgun Forum | Airgun Nation | Best Airgun Site | Airgun Message Board
Wimpier Hammer Spring for Crosman 2300? | Airgun Talk | Airgun Warriors Forum
Crosman trigger - another go at it - Airguns & Guns Forum
Power Stronger Hammer Spring for Crosman 2240 2250 2300 2400 Backpacker Etc for sale online | eBay
