Boss Valve for Crosman 2240 , 2260, 2300 Series air Rifles or Pistols
Great Modification. Uses standard 12 gram C02 cartridges like Crosman Powerlets.
High Performance Valve for Crosman 1760,2240,2260,2300, 2400
The Boss Valve for 12 gram C02 increases the power of your Crosman airgun! Boost the power of by over 30 fps by replacing the original exhaust calve with this modification
- Angled transfer port increase air flow
- Enlarged chamber increase volume