Crosman 1377 1322 2289 Barrel Spacer - Import It All
Smooth Unmarked Main Tubes
Another Airgun Blog: Crosman Project Mashup!
Amazon.com : Beamshot RF9 Mount: Attaches to Rifles, Shotguns & Airsoft Guns to Create a Standard 1913 Picatinny Rail System Which Will Accommodate Most Types of Laser & Flashlight Accessories, Black, (RF9_A) :
Crosman 2240 conversion to air: Part 4 | Pyramyd Air Gun Blog
Another Airgun Blog: Derrick's Vintage Crosman Grip Frame Information
GET BOTH! POLISHED New 7.5" BARREL and 2240 MAIN TUBE for Crosman 2240 2300 NICE | eBay
Beamshot RF9 Mount: Attaches to Rifles, Shotguns & Airsoft Guns to Create a Standard 1913 Picatinny Rail System Which Will Accommodate Most Types of Laser & Flashlight Accessories, Black, (RF9_A) : Air Gun Mounts : Sports & Outdoors - Amazon.com
Standard 2240 Barrel
Main Tubes (with or without internals)
24" Barrels
2240 with Prod Shroud? - Airguns & Guns Forum
Crosman 1077 CO2 rifle: Part 1 | Pyramyd Air Gun Blog
This is as tight as the screws will tighten. Is the gap between the scope mount pieces ok? : r/airguns
2240 Stubby in .177 caliber - Airguns & Guns Forum