H&R Model SB2 Ultra .223 Rem Single-Shot Rifle, 24 in Heavy Barrel, Laminated Stock, Blued
This Harrington & Richardson Model SB2 Ultra is a single-shot, break-action rifle chambered in .223 Rem. It features a 24-inch heavy, unfluted barrel with a crowned muzzle, a blued finish, and a laminated hardwood stock and forend. The receiver is marked with H&R's Gardner, Massachusetts roll-mark and includes a scope mount rail with no iron sights installed.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: This rifle shows minimal exterior markings with light areas of surface rust from prior handling and use. The bore presents a bright, reflective appearance consistent with the excellent rating above.
What’s Included
- Harrington & Richardson Model SB2 Ultra single-shot rifle chambered in .223 Rem
- Installed scope mount rail
The Model SB2 Ultra is a break-action, single-shot platform with a 1-round capacity and an exposed hammer. It uses a right-side action release lever for opening the action and incorporates a transfer bar safety system.
The 24-inch heavy, unfluted barrel is finished in blued steel and capped with a crowned muzzle. This configuration emphasizes rigidity and a clean muzzle crown. The barrel is roll-marked: "MODEL SB2 ULTRA CAL. .223 REM."
The rifle is built with a laminated hardwood stock and matching forend. The stock includes functional checkering, a ventilated recoil pad, and a sling swivel stud. Length of pull is 14.0 inches.
No iron sights are installed. The receiver carries a scope mount rail, providing a straightforward path to add an optic of your choice. The receiver is roll-marked: "HARRINGTON & RICHARDSON MANUFACTURED IN GARDNER, MA U.S.A. U.S. PAT.
NO. 3988848."
Additional details include a blued finish throughout, a circled "P" proof/inspection stamp, and manufacture in the United States.




