H&R Topper Model 158 20 Gauge Single-Shot Shotgun, 28 inch Barrel, Fixed Modified Choke, 3 inch Chamber
This Harrington & Richardson Topper Model 158 is a classic 20 gauge single-shot from the 1970s with practical field features and clean lines. It has a 28 inch plain steel barrel with a fixed Modified (M) choke and a 3 inch chamber, paired with a color case-hardened steel receiver. The AL-prefix serial indicates 1973 production, the final year for the Model 158, adding clear date context for collectors and enthusiasts.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Overall Condition: Good - Clean, well-maintained, minor wear marks.
Specific Condition Notes: There are some scratches, scuffs, and wear present.
What's Included
- Harrington & Richardson Topper Model 158 20 Gauge single-shot shotgun
The Topper 158 uses a simple, reliable single-shot, break-action system with a top-tang opening lever and an external hammer with a serrated spur for positive control. Its 28 inch plain, non-ribbed steel barrel carries a fixed Modified (M) choke and a single brass bead front sight for a straightforward, durable setup.
The receiver is steel with a color case-hardened finish, complementing the blued barrel. The hardwood stock and matching splinter forend have a walnut-finished appearance. The stock features a comfortable semi-pistol-grip shape and an H&R-logo ventilated recoil pad with a white-line spacer. Length of pull measures 13.5 inches.
This 20 gauge is chambered for 3 inch shells and has a capacity of one round. Markings include a circled P proof on the barrel. The AL-prefix indicates 1973 production, aligning with the final production year for the Model 158 series and providing useful dating for the gun.
Made in the USA, this Topper 158 reflects H&R’s straightforward, field-ready design ethos. Its fixed Modified choke, clean bore, and classic materials make it a solid example of the model’s late-production configuration.