Star Model Si35

Submachine Gun (SMG)

Spain | 1935

"Its inherent complexity doomed the Spanish Star Si35 submachine gun series - rejected by both the United States and Britain in the pre-World War 2 period."

Performance
Performance specifications presented assume optimal operating conditions for the Star Model Si35. Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.

700
Rounds-Per-Minute
Rate-of-Fire

1,350 ft/sec
411 m/sec
Muzzle Velocity

Physical
The physical qualities of the Star Model Si35. Information presented is strictly for general reference and should not be misconstrued as useful for hardware restoration or operation.

900 mm
35.43 in
O/A Length

269 mm
10.59 in
Barrel Length

8.25 lb
3.74 kg
Weight

Delayed Blowback; Full-Automatic; RPM Selector
Action

9x23mm Largo
Caliber(s)

10-, 30- or 40-round detachable box magazine
Feed

Iron front and rear.
Sights

Variants
Notable series variants as part of the Star Model Si35 Submachine Gun (SMG) family line.

Si35 - Base Series Designation

Star "Atlantic" - Variant offered to the U.S. Army in 1940.

Authored By: Staff Writer | Last Edited: 05/03/2019 | Content ©www.MilitaryFactory.com | The following text is exclusive to this site; No A.I. was used in the generation of this content.

The Spanish-originated Star Si35 became a very conventional submachine gun offering of the interwar period (that is the period spanning the two World Wars). A delayed blowback action was used and full-automatic fire was standard (though a selector managed rate-of-fire between 300 and 700 rpm settings and a "hold-open" feature quickly indicated an emptied weapon). The weapon was chambered for the local Spanish 9x23mm Largo ("Long") cartridge and could by fed by way of a 10-, 30- or 40-round detachable straight magazines inserted into the underside of the receiver. A wooden stock made up the shoulder support, grip handle and under-receiver sections while the barrel, receiver itself, and magazine were all completed in metal. Iron sights were affixed at the receiver and near the barrel in the usual way. Manufacture was by Star Bonifacio Echeverria.

The Si35 represented something of a culmination of sorts for the Star company as the it had delved into a variety of submachine gun designs leading up to World War 2 (1939-1945). It interested few in its progressions despite appearing as rather useful submachine gun entries. The weapon was indeed trialled by the United States (in modified form as the Star "Atlantic") and Britain but both parties elected for designs of local origination. One of the major drawbacks of the series seemed to be its internal makeup which was deemed too complicated for wartime production and wide scale procurement by a large army service. Such high-profile rejection did not bode well for wide-acceptance of this Spanish firearm.

To that end, the Si35 gradually fell out of any favor it had attained - though it managed to see some combat service in the waning stages of the Spanish Civil War (1936-1939) before its history was fully written. By 1942, the Star company had moved on simply copying popular German Army submachine models like the MP38/MP40 family of guns - these being detailed elsewhere on this site.

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Operators
Global customers who have evaluated and/or operated the Star Model Si35. Nations are displayed by flag, each linked to their respective national small arms listing.

Contractor(s): Echeverria SA - Spain

[ Spain ]

Going Further...
The Star Model Si35 Submachine Gun (SMG) appears in the following collections:

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