H&R Topper Model 088 12 Gauge Single-Shot Shotgun, 28 in Barrel, 1979 Production, Color Case-Hardened Receiver
Manufactured in 1979, this Harrington & Richardson Topper Model 088 is a U.S.-made, top-break single-shot 12 gauge with a 28 in blued carbon steel barrel and a color case-hardened steel receiver. First-year Model 088 production is indicated by the AT serial prefix and the Gardner, Massachusetts receiver legend referencing U.S. Patent No. 3,988,848. Factory weight is approximately 5.7 lb with the 28 in barrel, and the barrel features a fixed choke with a brass bead front sight.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Overall Condition: Good - Clean, well-maintained, minor wear marks.
Bore Fouling: Mild Fouling - Light buildup of fouling or dirt.
Specific Condition Notes: Minor scratching, scuffing, pitting, and blemishing are present.
What's Included
- Harrington & Richardson (H&R) Topper Model 088 12 gauge single-shot shotgun
This Topper 088 uses a top-break action with a top-tang opening lever and an exposed hammer. It incorporates H&R’s transfer-bar ignition system and a single trigger. Capacity is 1 round.
The 28 in blued carbon steel barrel has a fixed choke Modified and no rib, providing a clean sighting plane. Sights consist of a brass bead front and no rear sight.
The receiver is steel with a color case-hardened finish. The stock set is uncheckered hardwood with a semi-pistol grip and a satin oil finish, paired with an uncheckered hardwood fore-end. The buttplate is H&R’s black hard-rubber monogram style. Length of pull measures 13.75.
Receiver markings include HARRINGTON & RICHARDSON, INC., Gardner, Massachusetts, Made in U.S.A., and U.S. Patent No. 3,988,848. The AT serial prefix denotes first-year Model 088 production in 1979 and Gardner, Massachusetts manufacture.

