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Crosman Mark I |
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Ruger Mark I (.22
semi-auto) |
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Info: Manufacturer/Model: Crosman, Model Mark I Replica Of: Ruger Mark I (.22 semi-auto) Made In: USA Caliber/Ammunition/Feed: 22, lead pellet, single-shot Air Source: CO2, 12 g Powerlet Accessories: partial tin of old style Crosman .22 pellets Recommended Pellet or BB: H&N Match Kugeln Weight (lb)/Length (in): 2.6, 11.0 Body Material/Finish/Grips: metal, black, plastic Barrel Length (in)/Material/Rifled: 7.75, steel, yes Trigger Action: SA Trigger Pull (lbs)/Adjustable: 4.8 (SA), yes Sights (front/rear): fixed, fully adjustable Velocity (fps): 400 (hi), 300 (lo) Sound Level (dB): 100 (hi setting), 96 (low setting) Thickness of Pellet Holder (in): N/A Manufactured Dates: 1966 - 1983 Condition/Manual/Box: 85%, yes, yes (no lid) Serial Number: 963840 |
Comments:
This gun is the first variant in the Mark I series and has the
power adjustment screw and the lever piercing
system. This version of the Mark I was produced from 1966
to around 1975. The second variant, which lacked the power
adjustment screw and had a push button piercing system, was
produced until 1983.
The Crosman Mark I is from the Golden Decade of Crosman CO2
pistol production. Concurrently produced with the Mark I were
the 600, 451, Mark II, 38C, 38T, and the SA-6. All of these guns
are still popular with shooters and collectors alike.
This particular airgun was resealed in 2006.
Mark I and II article by Todd Cooper
Performance:
Measurements were made on
11/06/06 at a temperature of 70 ºF and 14' elevation. A ten shot
string was fired from a bench rest at 15' using H&N Match Kugeln
pellets (13.4 gr). The highest velocity measured on the hi-power
setting was 426 fps, the lowest was 415 fps (average of the
10-shot string was 423 fps). On the low-power setting the MV
averaged 311 fps. A six shot string
fired with open sights grouped at 0.41". Click the thumbnail below to see a
larger image.
Click
here for a description of the measurement methods. |
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Right Profile: |
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Front View: Power can be adjusted over a limited range by
turning the screw located under the barrel at the front of the
receiver. Turning the screw clock-wise increases power,
counter-clockwise decreases power. The power adjustment screw
will adjust power for both settings of the cocking knob.
The Mark I has an adjustment for the
trigger as illustrated below. |
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Right Side Markings: |
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Left Side Markings: Pulling the cocking knob all the way forward puts the gun in the hi-power setting. Pulling the cocking knob half-way forward puts the gun in the low-power setting. The safety can only be engaged when the gun is cocked. Once the gun is cocked, there is no safe way to decock it. |
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Loading Pellets: |
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Loading CO2: The CO2 cylinder is inserted neck down and then the piercing cap is screwed on with the lever in the "home" position. To pierce the cylinder, the lever is flipped to the opposite side. Once the cylinder is pierced, the lever must be flipped back to the "home" position. |
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Packaging: There is no lid for this
box.
Owner's Manual
for Crosman Mark I (.pdf) |
Copyright © 2011