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Stevens M620 (Model 620)


Pump-Action Slide Shotgun


United States | 1927



"The Stevens M620 was an improved version of the original John Browning-designed Stevens M520 series."



Authored By: Staff Writer | Last Edited: 08/31/2023 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.
The Stevens M620 was an improved version of John Moses Browning's earlier M520 series, primarily with a more refined receiver. The firearm was available in 12-, 16- and 20-gauge and offered in 26-, 28-, 30- and 32-inch barrel lengths. As with many other pump-action types, the M620 featured a five shell tubular magazine under the barrel assembly. Each individual shell was then introduced into the firing chamber via the operator manually actuating the pump-action slide. Production of the type spanned from 1927 to 1953. A version with raised matted ribbing was later introduced as the M621.

Externally, the M620 followed conventional design wisdom concerning shotguns. The stock was well-formed with an integral grip handle (both of wood), leading to the rectangular receiver. The barrel was mounted over the tubular magazine which was partially shrouded by the pump-action slide assembly. The trigger group was slung under the receiver in the usual way.

A "Trench Gun" version of the M620 existed for wartime military procurement (primarily for use in World War 2). This variant utilized a perforated heat shield across the top of the barrel to protect the firer's hand and fitted a bayonet mounting under the muzzle for close-quarters work while generally being issued with shortened barrels when compared to their full-length sporting brethren. Overall, however, these versions retained much of the appearance and quality of the peacetime versions. The "Riot Gun" variant was similar in scope though intended for security or guard purposes as opposed to direct enemy combat. These were fielded with shortened barrels for the role.

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Physical
The physical qualities of the Stevens M620 (Model 620). Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.
711 mm
27.99 in
Barrel Length
Manually-Actuated Pump Slide
Action
12-, 16- or 20-gauge
Caliber(s)
5-round tubular magazine
Feed
Iron.
Sights
Variants
Notable series variants as part of the Stevens M620 (Model 620) Pump-Action Slide Shotgun family line.
M620 - Base Series Designation
M621 - Raised matted ribbing
M620 "Trench Gun" - Militarized Form; heat shield over barrel; bayonet lugs; utilized in World War 2.
M620 "Riot Gun" - Shortened barrels; intended for security of guard duty.
Operators
Global customers who have evaluated and/or operated the Stevens M620 (Model 620). Nations are displayed by flag, each linked to their respective national small arms listing.

Contractor(s): J. Stevens Arms Company - USA
National flag of the United States

[ United States ]
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Image of the Stevens M620 (Model 620)
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Design Qualities
Some designs are single-minded in their approach while others offer a more versatile solution to requirements.
GAME/SPORT SHOOTING
CLOSE SUPPORT
Recognition
Some designs stand the test of time while others are doomed to never advance beyond the drawing board; let history be their judge.
Going Further...
The Stevens M620 (Model 620) Pump-Action Slide Shotgun appears in the following collections:
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