Source: ATF P 5300.11 · Curios or Relics List · Jan 1972 – Apr 20253,573 entries · 4 sections
The C&R RegisterA finding aid to the ATF Curios or Relics List, for Type 03 collectors
C&R · IV · 198

Smith & Wesson Model 76, U-prefix serials

Section IV: still an NFA firearm, also a curio or relic

Official wording

ATF P 5300.11 · APRIL 2025 EDITION · SECTION IV · VERBATIM · PDF P. 87 ↗

Smith & Wesson, Model 76 submachinegun, cal. 9mm Parabellum, S/N range from U100 to U6100.

What this entry requires

  • ATF REQUIRESYour serial number is one ATF listsATF: “S/N range from U100 to U6100”
  • INFOATF states no date; production was about 1967–1974.
  • INFOStill an NFA firearm; only registered examples transfer, with ATF approval (26 U.S.C. 5812, 5861).

Editorial facts · Our research

Country
United States
Manufacturer
Smith & Wesson
Type
SMG
Action
Select-fire / auto
Caliber
9mm Parabellum
Made
S/Ns U100–U6100 · c. 1967–1974production; ATF states no date¹
Service
Military
Search listings ↗Check a specific gunReport an error ↗

Source

Official wording
ATF P 5300.11, April 2025 edition · Section IV · PDF p. 87 ↗ · ATF original ↗
Entries
1 line
Verbatim check
Checked against the PDF text before every release
Editorial facts
Confidence: Medium · Last revised 18 October 2026 (Evidence pass) · How we rate confidence
References
  1. Wikipedia, “Smith & Wesson Model 76” ↗, years: 'produced by Smith & Wesson from 1967 to 1974'; infobox production date 1967–1974
Fact tags
  • ATF the ATF wording states it.
  • REF ¹ an outside reference supports it; the number points to the list of references.
  • ESTIMATE an approximate or indirect reading, for example the production range of the base model.
  • NO CITATION we haven’t attached a reference for this fact; it’s our editorial reading, not ATF’s.
Source checked
20 October 2026: ATF’s page still lists the April 2025 edition
Corrections
None

Historical context

Smith & Wesson Model 76, U-prefix serials

Image: Wikimedia Commons, “Smith & Wesson M76 SMG AM.007171 (2).jpg” by Armémuseum (Swedish Army Museum), CC BY 4.0. Retrieved October 2026.

Summary: Wikipedia, “Smith & Wesson Model 76”. Text CC BY-SA 4.0.

FROM WIKIPEDIA

The Smith & Wesson M76 submachine gun (SMG) was produced by Smith & Wesson from 1967 to 1974.