Standard Crosman 22xx Screw Sizes
Grip Frame Rear Screw: 8-32 UNC x 1/4" Button Head
Grip Frame Front Screw: 8-32 UNC x 3/8" Button Head
Rear Screw Steel Breech: 8-32 UNC x 3/4" Button Head
Rear Screw Plastic Breech: 8-32 UNC x 7/8" Button Head
Grip Frame Side Plate Screw: 4-40 UNC x 3/8" Countersunk Head
Grip Screw: 6-32 UNC x 1/2" Oval Head
Breech Front Screw: 4-48 UNF x 1/4"
Forestock Screw: 5-40 UNC x 1/4" Pan Head (2250 Only)
Grub Screw: 8-32 UNC x 1/8"
Tube Dimensions
2240 - 8 3/8" Long, 7/8" OD, 0.065" Wall, 0.745" ID, 13/16-28 x 1/2" Thread
2250 - 9 7/8"" Long, 7/8" OD, 0.065" Wall, 0.745" ID, 13/16-28 x 1/2" Thread
2260 - 16 5/8" Long, 7/8" OD, 0.065" Wall, 0.745" ID, 13/16-28 x 1/2" Thread
Discovery - 25 5/8" Long, 7/8" OD, 0.065" Wall, 0.745" ID, 13/16-28 x 1/2" Thread
1377/22 2289 - 12 3/4" Long 3/4" OD, 0.065" wall ID, 0.620"
Transfer Port Sizes (UK)
2240 - 2.8mm Bore (.109") P.No: TBA Not listed on EVP
2250 - 3.6mm Bore (.140") P.No: 1322A026
2260 - 3.6mm Bore (.140") P.No: 1322A026
Discovery UK - 1.8mm (.070") P.No: TBA Not listed on EVP
1701p - 1mm Bore (.040") P.No: 1700-014
1720p - 1.7mm Bore (.067") P.No: 1720-014
Standard Barrel Sizes
2240 - 11.05mm OD x 7.5" .22 Cal
2300T/S - 11.05mm OD x 10.1" .177 Cal LW on S model
2250 - 11.05mm OD x 14.5" .22 Cal
2250XL - 11.05mm OD x 18" .22 Cal
AS2250 - 11.05 OD x 14.5" .22 Cal
2260 - 11.05mm OD x 24" .22 Cal
1701P - 11.05mm OD x 10.1" LW .177 Cal
1720P - 11.05mm OD x 12" LW .177 Cal
