How to Choose the Right Replacement Rifle Magazine
Choosing the right replacement magazine comes down to four checks, in this order: rifle brand, exact model number, caliber, and capacity. Get the first two right and the caliber and capacity narrow themselves down fast. Skip straight to capacity or price without confirming model and caliber first, and you're the most likely customer to end up with a magazine that doesn't fit. Here's how to work through it properly, whether you own a Marlin rimfire rifle or a Remington 783.
Step 1: Confirm Your Rifle Brand and Model Number
Every rifle has a model number stamped on the left side of the barrel — this is the single most reliable piece of information for finding the right magazine, more reliable than memory or a general description of the rifle. Marlin's numbering (25N, 795, 780, 882, and so on) maps directly to a specific magazine pattern, and Remington 783 rifles are identified by caliber rather than a separate model number, since "783" covers several different action lengths under one name.
If your rifle is stamped with a name other than Marlin or Remington — Glenfield, JC Higgins, Western Auto, Coast to Coast, or Foremost — it's very likely a rebadged Marlin sold under a store brand, built on the same tooling and taking the same magazine as its Marlin equivalent.
Step 2: Identify the Caliber
For a Marlin rimfire rifle, caliber splits the entire magazine lineup in two: .22 LR uses one magazine family, .22 WMR/.17 HMR uses a completely different one, and they are never interchangeable. For a Remington 783, caliber determines action length: short action covers .308 Winchester, .243 Winchester, 6.5 Creedmoor, .223 Remington, and .22-250 Remington; long action covers .30-06 Springfield, .270 Winchester, .25-06 Remington, and .35 Whelen; magnum long action covers 7mm Rem Mag and .300 Win Mag; and .450 Bushmaster has its own dedicated magazine.
The caliber is stamped on the barrel alongside the model information. If you're not sure how to read it, our Marlin Rifle Magazine Guide and Remington 783 Magazine Guide both include fitment charts that match model and caliber to the correct magazine.
Step 3: Decide on Capacity
Once brand, model, and caliber are locked in, capacity is a preference rather than a compatibility question — within the same fit family. Marlin .22 LR magazines run 7, 10, or 15 rounds depending on the pattern; .22 WMR/.17 HMR runs 4, 7, or 10 rounds; Remington 783 short action runs 4 or 8 rounds, long action and .450 Bushmaster hold 3–4 rounds, and magnum long action holds 3 rounds. Higher capacity means fewer reloads but a longer magazine body extending further below the stock. Before choosing an extended-capacity magazine, check magazine capacity laws by state, since several states restrict rifle magazine capacity and American Rifle Magazines does not ship restricted capacities into those states.
Step 4: Pick a Finish (Where You Have a Choice)
On Marlin rimfire magazines, several capacities are available in either black oxide or nickel — a cosmetic and maintenance choice, not a fitment one. Black oxide matches a blued barrel and is the classic finish for this pattern; nickel adds extra corrosion and scratch resistance and wipes clean easily. Remington 783 magazines ship in black oxide only, so there's no finish decision to make on that platform.
Why Factory-Pattern Fit Beats Guessing on Capacity Alone
It's tempting to shop by capacity and price first, especially when a listing simply says "7-round .22 magazine" or "4-round 783 magazine." But two magazines with the same capacity and caliber can still be built for different model families with different feed geometry — a 7-round .22 LR magazine for the 71903 pattern (Model 780/25/20/80) is not the same part as a 7-round .22 LR magazine for the 71900/71901 pattern (Model 795, 25N, and others), even though both hold seven rounds of the same caliber. Confirming your model number first prevents this exact mismatch.
Common Ordering Mistakes Worth Avoiding
The most frequent mistake isn't picking the wrong brand — it's assuming that a rifle's general age or appearance tells you everything you need to know. Two Marlin bolt-actions from the same era can use entirely different magazine patterns depending on the exact model, and two Remington 783 rifles that look identical from the outside can be built on different action lengths depending on caliber alone. Shopping by capacity number without confirming model and caliber first is the second most common mistake — a "7-round .22 magazine" description matches more than one incompatible Marlin pattern, so capacity alone isn't a specific enough match.
A third mistake is ordering an extended-capacity magazine without checking your state's capacity limit first. Because these laws vary by state and change over time, and because American Rifle Magazines cannot offer legal advice on your specific situation, always confirm your state's current limit before ordering anything above the factory-original capacity.
What to Do If You're Still Not Sure
If you've checked the model number and caliber and you're still unsure which magazine fits, don't guess — a wrong-fit magazine that's forced into a magazine well can damage the feed lips or the well itself. Cross-reference your model against the fitment chart on the Marlin Rifle Magazine Guide or Remington 783 Magazine Guide, and reach out before ordering if your model doesn't appear on either chart.
Frequently Asked Questions
Where do I find my rifle's model number?
It's stamped on the left side of the barrel on both Marlin and Remington 783 rifles.
I know my caliber but not my exact model — is that enough to order?
Caliber narrows things down significantly but doesn't always pin down a single magazine, since more than one model can share a caliber with different feed geometry. Confirming the model number is the more reliable path.
Does a higher-capacity magazine fit differently than the factory-original one?
Within the same fit family, no — a 10-round Marlin 71903-pattern magazine uses the same magazine well and feed geometry as the factory 7-round version, just a longer body.
What if my rifle isn't listed as Marlin or Remington?
Check whether it's a Marlin-built rifle sold under a store brand like Glenfield, JC Higgins, Western Auto, or Foremost — these take the equivalent Marlin-pattern magazine. See the rebadge fitment guide for details.
Should I buy one spare magazine or several?
That depends on how often you shoot. Many owners keep two or three spares on hand for range sessions or hunting trips so a single dropped or damaged magazine doesn't end the day.
A Final Sanity Check Before You Click Buy
Before completing your order, read back through the product listing one more time and confirm the model list actually includes your specific rifle by name or number, not just a general description that sounds close. This thirty-second check catches the majority of avoidable fitment mistakes before they turn into a return or exchange.
Ready to Order?
Confirm your model number, match it against the Marlin Rifle Magazine Guide or Remington 783 Magazine Guide, then choose your capacity and finish. Every magazine is US-made, in stock, and ships from our shop in Connecticut. Shop Marlin 22 Cal. Magazines or Remington 783 Magazines, and see our wholesale rifle magazine purchasing terms if you're buying for a shop or FFL. Taking the four steps above in order — brand, model, caliber, capacity — is the fastest way to land on the correct magazine on the first order instead of the second.