Winchester Model 320 .22 S/L/LR Replacement Barrel

Winchester Model 320 Replacement Barrel – .22 S/L/LR, Genuine Factory-Spec Bolt-Action Barrel

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Winchester Model 320 Replacement Barrel, .22 Short/Long/Long Rifle – Restore a Rare Rimfire Classic

If you’re restoring or maintaining a Winchester Model 320, finding a genuine, correctly specced replacement barrel isn’t always easy — this listing solves exactly that problem. Chambered to accept .22 Short, .22 Long, and .22 Long Rifle ammunition, this barrel is built to the original Model 320 specification, giving you the correct part to bring your rifle back to proper working condition without hunting down a donor gun or settling for an ill-fitting substitute.

A Genuinely Uncommon Rifle Worth Preserving

The Winchester Model 320 was produced for a remarkably short window — from 1971 to 1974 — making it one of the lower-production rimfire rifles Winchester ever offered. What makes the 320 particularly interesting to collectors and shooters alike is its unusual origin story: the barreled action was designed and manufactured in Australia by the same man who went on to found Kimber Rifles, then shipped to New Haven, Connecticut, where Winchester completed the stocking and finishing. That kind of cross-continental manufacturing history is rare for a Winchester-branded rifle, and it’s part of what makes the 320 a genuinely interesting piece to own and keep running.

The Model 320 features classic sporting-rifle lines reminiscent of Winchester’s famous Model 70, with a walnut stock, pressed checkering, and a grooved receiver that makes mounting a scope straightforward. It’s fed by a detachable box magazine — most commonly a 5-round unit, with 10-round magazines also having been produced — that sits nearly flush with the stock rather than protruding awkwardly, a refined detail for a rimfire rifle of its era.

A Correct Fit for a Rifle That’s Hard to Source Parts For

Because the Model 320 was only manufactured for about three years, replacement parts — barrels especially — simply aren’t something you can walk into any gun shop and find. This barrel gives owners of a well-loved (or well-worn) Model 320 a genuine path to keep an increasingly scarce rifle shooting accurately for years to come, rather than letting a worn or damaged factory barrel take a rare piece of Winchester history out of commission. Browse our full selection of rimfire rifle parts and accessories if you’re working on a broader restoration project, and check out our lineup of .22 LR, .22 Long, and .22 Short ammunition once your rifle is back up and running.

Built for the Multi-Cartridge Versatility the 320 Was Designed Around

One of the genuinely practical features of the Model 320 platform is its ability to safely cycle three different rimfire cartridges — .22 Short, .22 Long, and .22 Long Rifle — through the same action, giving shooters real flexibility depending on what’s available or what application they’re shooting for, whether that’s quiet, low-recoil plinking with .22 Short or full-power performance with .22 LR. This replacement barrel maintains that same factory-correct chambering, so you’re not sacrificing any of the platform’s original versatility.

Why This Barrel Matters for Model 320 Owners

✔ Correct .22 S/L/LR chambering — matches original factory specification
✔ Restores a rare, short-production Winchester rifle to shooting condition
✔ Genuinely hard-to-source part for a rifle produced only from 1971–1974
✔ Compatible with the Model 320’s grooved receiver and factory sight setup
✔ A practical way to preserve a piece of unusual Winchester/Kimber manufacturing history

Keep a Piece of Rimfire History Running

The Model 320 isn’t a rifle you see every day, and its limited production run means that keeping one in good working order takes a bit more effort than most rimfire bolt actions. A correct replacement barrel is one of the most important parts you can source for this platform — the difference between a rifle sitting in the safe and one you can actually take to the range.

Explore our full lineup of rimfire rifles and parts or check out our selection of .22 ammunition to get your Model 320 back in action. Genuine replacement parts for uncommon rifles like the Model 320 don’t stay in stock long — add this barrel to your cart today and keep this rare piece of Winchester history shooting for years to come.