Colt Model 1903 Pocket Hammerless .32 ACP 3.75″ Semi-Auto Pistol 1931 C&R

SOLD FOR: $1,284.99

LSB#: LSB251201DB041

Make: Colt

Model: 1903 Pocket Hammerless

Serial Number: 510381

Year of Manufacture: 1931 / C&R (

Caliber: .32 ACP (7.65mm)

Action Type: Single Action Semi-Auto Pistol with Removable Magazine

Markings: The left side of the slide is marked “COLT’S PT. F.A. MFG. CO. HARTFORD, CT. U S A. /  PATENTED / APR.20,1897. DEC.22,1903.” and behind the slide serrations with a rampant colt logo. The right side of the slide is marked “AUTOMATIC COLT / CALIBRE 32 RIMLESS SMOKELESS”. The left side of the frame is marked with the serial number “510381”.  The left front of the trigger guard is marked with a “VP” in a triangle.

Barrel Length: 3 3/4”

Sights/Optics: The front sight is a short semi-circle blade fixed to the slide. The rear sight is a u-notch dovetailed to the slide. 

Stock Configuration and Condition: The grips are two-piece checkered walnut with silver Colt medallions. The checkering is mildly worn.  The grips have a few scattered nicks and scuffs. There are no chips or cracks. Overall, the grips are in Very Good condition.

Type of Finish: Blued

Finish Originality: Original

Bore Condition: The bore is bright and the rifling is sharp. There is light fouling present. In this writer’s opinion the bore rates 9.5/10.

Overall Condition: This handgun retains about 90% of its metal finish. The action shows operational wear. There is thinning of finish on all the leading, the slide serrations and the muzzle. The screw head is sharp with a serviceable slot. The markings are crisp. Overall, this pistol rates in Very Good condition.

Mechanics: The action functions correctly. This pistol has a grip safety.  We did not fire this handgun. As with all used firearms, a thorough cleaning may be necessary to meet your maintenance standards.

Box, Paperwork, and Accessories: This pistol comes with four blued 8rd .32 Colt magazines in Very Good condition and a leather zippered case. 

Our Assessment: Designed by John M. Browning and introduced in 1903, the Colt Model 1903 Pocket Hammerless became one of the most successful and enduring early American semi-automatic pistols. Despite the “Hammerless” designation, the pistol does in fact utilize an internal hammer concealed beneath the rear of the slide, allowing for smooth, snag-free pocket carry. Chambered in .32 ACP (7.65mm), these pistols were widely favored by civilians, law enforcement officers, and later U.S. military general officers. Production spanned from 1903 to 1945, with this example manufactured in 1931, placing it solidly in the desirable pre-war commercial production era.

This pistol retains approximately 90% of its original blued finish, with honest thinning on the leading edges, slide serrations, and muzzle consistent with careful carry and handling. The markings are crisp and well-defined, including the Colt Hartford address and patent dates, along with the Rampant Colt logo. The “VP” triangle proof remains visible on the trigger guard. The two-piece checkered walnut grips with silver Colt medallions are in Very Good condition, showing mild checkering wear and a few scattered nicks but no cracks or chips. The bore is bright with sharp rifling and only light fouling present, rating an excellent 9.5/10 in this writer’s opinion.

Mechanically, the action functions correctly, and the grip safety operates as intended. The pistol includes four blued 8-round .32 Colt magazines in Very Good condition along with a leather zippered case, enhancing its collector and shooter appeal. Overall, this 1931 Colt Model 1903 Pocket Hammerless rates in Very Good condition and represents a classic example of Browning’s streamlined early semi-automatic design—an elegant and historically significant sidearm with lasting popularity among collectors today. Please see our photos for a better understanding of condition and good luck with your bids!

BF