SHOTGUN: H & R - HARRINGTON & RICHARDSON MODEL TOPPER JR MODEL 88, SERIAL NUMBER AT400370, BLUE / CCH, CASE NOT INCLUDED, SINGLE SHOT, 20 GAUGE, 27 Notes: H & R - HARRINGTON & RICHARDSON TOPPER JR MODEL 88 -20 Gauge. The Harrington & Richardson (H&R) Topper Jr. Model 88 in 20 gauge is a simple, lightweight single-shot, break-action shotgun made as a compact/youth version of the H&R Topper line. Basic description Manufacturer: Harrington & Richardson / H&R 1871 Model: Topper Jr. Model 88 Gauge: 20 gauge Action: Single-shot, break-open Capacity: 1 shell Purpose: Small-game hunting, upland birds, farm/ranch use, and a youth/compact shotgun Stock: Shortened hardwood stock intended for smaller shooters Barrel: Examples of the 20-gauge Model 88 are commonly found with approximately 25-26 inch barrels. Weight: Generally in the neighborhood of 5-6 pounds, depending on configuration.