"Welcome to MD's Gun Repair, your trusted source for factory-new, vintage, and discontinued parts for Marlin and Glenfield rifles. Whether you are rebuilding a classic tube-fed rimfire or upgrading a lever-action hunter, we stock the internal action components, triggers, springs, and hard to find parts you need to keep your firearm cycling smoothly. Browse our inventory by model above".
Frequently Asked Questions About Marlin & Glenfield Parts
Are Marlin and Glenfield parts interchangeable?
Yes, most Marlin and Glenfield parts are fully interchangeable. Glenfield was a marketing brand used by Marlin from 1960 to 1983 to sell identical mechanical designs to mass retailers like Western Auto and Montgomery Ward. For example, the mechanics of the popular Glenfield Model 60 are identical to the standard Marlin Model 60. The primary differences are cosmetic, typically involving birch stocks with unique pressed checkering patterns rather than Walnut. Always verify the specific base model cross-reference before purchasing internal action components.
Why is my Marlin Model 60 failing to feed or eject?
Feeding and ejection failures on Marlin/Glenfield semi-automatic .22 rifles are usually caused by a bent lifter spring, a worn feed throat, or a damaged ejector wire. Older Model 60s featured a two-piece feed throat design that wears down over time. Upgrading to a newer, factory-style replacement feed throat assembly—alongside a crisp new ejector spring—resolves persistent stovepiping, failure-to-feed (FTF), and failure-to-eject (FTE) issues.
How do I know if my Marlin rifle uses an "Old Style" or "New Style" part?
Marlin made major engineering updates to their rimfire lines (like the Model 60 and 99 series) in the early 1980s, altering the feed throat, lifter mechanism.
What causes light primer strikes on Marlin bolt-action and lever-action rifles?
Light primer strikes are heavily linked to weakened mainsprings (hammer springs) or striker springs, built-up factory grease, or a chipped firing pin. On classic rimfire bolt-actions like the Marlin/Glenfield 915, dried oil builds up inside the bolt shroud, slowing the firing pin drop. Cleaning out the bolt assembly body and swapping out your old striker spring with a factory-spec replacement restores reliable rimfire ignition.
Can I use a Marlin 336 lever-action part on a Glenfield Model 30?
Yes. The Glenfield Model 30 (and 30A) is mechanically identical to the venerable Marlin 336 lever-action rifle. Internal receiver parts—including the carrier, extractor, firing pin, locking bolt, and trigger assembly—cross-reference perfectly between the two platforms. The only non-interchangeable components are outer furniture and mounting points, as some Glenfield variations utilized an endcap forend configuration rather than the traditional Marlin barrel band setup.
Are Marlin and Glenfield parts interchangeable?
Yes, most Marlin and Glenfield parts are fully interchangeable. Glenfield was a marketing brand used by Marlin from 1960 to 1983 to sell identical mechanical designs to mass retailers like Western Auto and Montgomery Ward. For example, the mechanics of the popular Glenfield Model 60 are identical to the standard Marlin Model 60. The primary differences are cosmetic, typically involving birch stocks with unique pressed checkering patterns rather than Walnut. Always verify the specific base model cross-reference before purchasing internal action components.
Why is my Marlin Model 60 failing to feed or eject?
Feeding and ejection failures on Marlin/Glenfield semi-automatic .22 rifles are usually caused by a bent lifter spring, a worn feed throat, or a damaged ejector wire. Older Model 60s featured a two-piece feed throat design that wears down over time. Upgrading to a newer, factory-style replacement feed throat assembly—alongside a crisp new ejector spring—resolves persistent stovepiping, failure-to-feed (FTF), and failure-to-eject (FTE) issues.
How do I know if my Marlin rifle uses an "Old Style" or "New Style" part?
Marlin made major engineering updates to their rimfire lines (like the Model 60 and 99 series) in the early 1980s, altering the feed throat, lifter mechanism.
- Old Style configurations typically feature a smooth feed throat and a distinct, longer lifter spring.
- New Style configurations use a feed throat with integrated tracking pins.
To guarantee a match, check your rifle's serial number: if the first two digits indicate production after 1982, your rifle almost certainly requires New Style replacement components.
What causes light primer strikes on Marlin bolt-action and lever-action rifles?
Light primer strikes are heavily linked to weakened mainsprings (hammer springs) or striker springs, built-up factory grease, or a chipped firing pin. On classic rimfire bolt-actions like the Marlin/Glenfield 915, dried oil builds up inside the bolt shroud, slowing the firing pin drop. Cleaning out the bolt assembly body and swapping out your old striker spring with a factory-spec replacement restores reliable rimfire ignition.
Can I use a Marlin 336 lever-action part on a Glenfield Model 30?
Yes. The Glenfield Model 30 (and 30A) is mechanically identical to the venerable Marlin 336 lever-action rifle. Internal receiver parts—including the carrier, extractor, firing pin, locking bolt, and trigger assembly—cross-reference perfectly between the two platforms. The only non-interchangeable components are outer furniture and mounting points, as some Glenfield variations utilized an endcap forend configuration rather than the traditional Marlin barrel band setup.