.22 Short caliber semi-automatic pistol, with 10-shot magazine. Heavy round barrel, blued finish, adjustable sights and brown plastic thumbrest grips. Grooved front and backstraps on frame. Available with 4.5" or 6.75" barrels or combination with both barrel lengths. The 6.75" barrel incorporates a muzzle-brake with one slot on either side of front sight. NOTE: Add $250 premium for factory combination; 13 percent premium for box with papers.

.22 LR caliber semi-automatic pistol, with 10-shot magazine. Heavy round barrel, blued finish, adjustable sights and brown plastic thumbrest grips. Grooved front and backstraps on frame. Available with 4.5" or 6.75" barrels or combination with both barrel lengths. The 6.75" barrel incorporates a muzzle-brake with one slot on either side of front sight. Produced with U.S. marking for military. NOTE: Add $250 premium for factory combination; 13 percent premium for box with papers.

.22 LR caliber semi-automatic pistol, with 10-shot magazine. Heavy round barrel, blued finish, adjustable sights and brown plastic thumbrest grips. Available with 4.5" or 6.75" barrels or combination with both barrel lengths. NOTE: Add $225 premium for factory combination; 15 percent premium for box with papers.

Like Dura-matic M-100, with slightly different locking method for thumb nut take-down. Produced 1954 to 1970. Later appeared renamed "Plinker" M-101 in 1971 to 1973. Plinker not available with both barrel combinations. Slightly modified version was sold by Sears Roebuck & Co. as J. C. Higgins M-80. NOTE: Add $150 premium for factory combination; 10 percent premium for box with papers.

Kits convert .22 LR to .22 Short and include barrel, aluminum slide and magazine for .22 Short to .22 LR, in which case slide is steel. Prices for kit in original factory boxes. NOTE: First advertised for 101 Series guns. Later versions were produced for lever take-down guns. Catalog numbers are unknown for conversion kits for lever take-down guns.