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 · 254

H&R T48 rifle

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. 89 ↗

U.S. Model T-48 assault rifles, cal. 7.62mm, mfd. by Harrington and Richardson.

ATF lists cal. 7.62mm; this is the 7.62×51mm NATO cartridge.

What this entry requires

  • ATF REQUIRESMade or imported as stated: “mfd. by Harrington and Richardson”
  • INFOATF states no date; production was about 1953–1958.
  • 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
Harrington & Richardson¹
Type
Rifle
Action
Select-fire / auto
Caliber
7.62×51mm NATO
Made
c. 1953–1958production; ATF states no date²
Service
Military
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Source

Official wording
ATF P 5300.11, April 2025 edition · Section IV · PDF p. 89 ↗ · 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, “T48 rifle” ↗, maker: made for testing by FN, Harrington & Richardson (Worcester, MA) and High Standard; a contract was issued to H&R for 500 T48 rifles
  2. Wikipedia, “T48 rifle” ↗, years (estimate: partly supports it): T48 in U.S. trials in the mid-1950s (arctic trials December 1953, decision 1957); H&R production years not stated
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

H&R T48 rifle

Image: Wikimedia Commons, “FN Herstal T48.jpg” by Springfield Armory National Historic Site, Public domain. Retrieved October 2026.

Summary: Wikipedia, “T48 rifle”. Text CC BY-SA 4.0.

FROM WIKIPEDIA

The T48 was a battle rifle tested by the U.S. military in the mid 1950s during trials to find a replacement for the M1 Garand. It was a license-produced copy of the Belgian FN FAL rifle. The rifle did not enter service, as the U.S. military decided to adopt the M14 rifle instead.