Crosman Model T4

Glock Model 19 (9 mm)

Crosman Model T4
Replica Of:
Glock Model 19 (9 mm)

Made In:
177, lead pellets/steel BBs, 8-shot rotary magazine
Air Source:
CO2, 12 g Powerlet
Recommended Pellet or BB:
JSB Match Diabolo (7.4 gr)
Weight (lb)/Length (in):
1.3, 8.4
Body Material/Finish/Grips:
plastic, black, rubber
Barrel Length (in)/Material/Rifled:
4.1, steel, yes
Trigger Action:
DA (only)
Trigger Pull (lbs)/Adjustable:
7.5 (DA), no
Sights (front/rear):
fixed, adjustable for windage
Velocity (fps):
430 (pellets), 450 (BBs)
Sound Level (dB):
Thickness of Pellet Holder (in):
Manufactured Dates:
2006 - present
98%, yes, yes
Serial Number:


Comments: In 2006, Crosman released more new CO2-powered pistols than at any other time in their history (2300S, 2300T, 1088, C11, Pro77, and T4). Of these, only the T4 is a replica of an existing firearm (Glock 19). With the T4, Crosman introduced a new and innovative cartridge piercing system and an 8-shot rotary magazine that accepts both pellets and steel BBs (using magnets). This gun is very pointable, has a solid feel, and is fun to shoot, although the accuracy isn't what I had hoped for. The magazine loading port doesn't provide any alignment for the magazine when it is dropped in, which could lead to misfires. (Note from Crosman about new models for 2007.)

Performance: Measurements were made on 12/07/06 at a temperature of 62 F and 14' elevation. A ten shot string was fired from a bench rest at 15' using JSB Match Diabolo pellets (7.4 gr). The highest velocity measured was 379 fps, the lowest was 358 fps (average of the 10-shot string was 365 fps). A six shot string fired with open sights grouped at 0.85". Click the thumbnail below to see a larger image. Click here for a description of the measurement methods.


Right Profile:
Front View:
Right Side Markings:
Left Side Markings: The safety button and the slide release lever are clearly visible in this photo.
Loading Pellets: This gun is designed to use both lead pellets and steel BBs (BBs are held in the magazine by magnets). Pressing the slide release lever opens the loading port. The 8-shot rotary magazine is placed in the port with the ratchet mechanism pointing forward. Pull the slide back to close the port.
Loading CO2: Pull up on the bottom of the backstrap and then press the leaf spring on the CO2 holder to "eject" the CO2 holder. To load CO2, open the backstrap and insert the CO2 holder, then close the backstrap and push it up into position. The CO2 holder is designed to automatically tension the CO2 cylinder against the piercing pin and seal.



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