inner magazine tubes. Contact Us. JM is the Marlin trademark. (7.) You can also take bottom off mags to sand edges of mag bridge a bit for optimum movement, but make sure you put spring back in the right way. I found some old hawthorne ammunition and shot it and it never jammed once. Bill, a Glenfield 75 is very similiar to a Marlin 60. , most Glenfields will say, "The Glenfield by Marlin". Numrich Gun Parts Corporation 226 Williams Ln. The Glenfield 75 was a promotional rifle based on this gun, but was more of an economy version of it. I pulled the action apart, and gave it a thorough cleaning. The 75 retained the nine-round tube, barrel band, and the sling swivels. In old marlin model 60s, it is fairly common for people to have failure to feed issues due to the old feed throats spreading and allowing the rim of the cartridge to jam. The lever has a snail shaped cam surface that goes around the pivot screw. Just the luck of the draw on my part I guess. The Glenfield model is the same as any regular Marlin 336 but was made for a chain store, used hard wood instead of Walnut and may have had different sights. Marlin Glenfield Model 75C Semi-Auto Rimfire Rifles: (1975 - 1982) History: The Marlin Glenfield model 75C semi-auto rimfire rifle replaced the Glenfield model 75 in 1975 and is better known as a carbine, weighing in at 4 1/2 pounds and features an 18" long barrel with a full length 13 round magazine. My other friend has the glenfield and it runs like a top too makes me jealous lol. I was having this problem, and found a fix to make it function reliably again. If a magazine model rifle, slide off bottom plate and clean out magazine with white spirit/fuelite periodically to ensure bridge in mag is lifting smoothly (not jerky), and rounds coming up correctly. Great deals on Glenfield Gun Parts. The Problem The "Marlin Jam" as it is affectionately known is caused by an inherent design/manufacturing flaw of the Marlin lever. The workings are exactly the same as any other Marlin. Fast & Free shipping on many items! subtract 19 from 100 = 81 so 1981. Finally got some range time with it and she is a tack driver. Kingston, NY 12401 Phone: 866.686.7424 One of my buddies has a Marlin Glenfield Model 60. You cant beat a Marlin 60. It had a birchwood stock instead of walnut, and lacked the hand guard. Too bad the missus took it from me Trick out or upgrade your firearm with the largest gun parts selection at eBay.com. Like all Glenfields, the trigger was chrome silver instead of the gold that was used on the Marlins. About 3 or 4 rounds out of 10, when it chambers a round it will push the tip of the bullet to high and it will jam on the edge of the chamber and bend the bullet, thus jamming the gun. I have a model 60 (I think) and it ran super then took a dump, jamming and all that with no matter what I fed it. It seems that one of the most common magazine tube problems that come across our desks in the Tech Department are those pesky Marlin/Glenfield .22 cal. I posted mine here a while back that I picked up for 5 bucks. Marlin/Glenfield Model 60 circa 1977 Feeding Problem After you chamber the first round and fire, as the next round is coming up, instead of coming up vertical as it is suppose to, to slide on the feed ramp and into the chamber, there is something that is throwing the bullet almost horizontal and then that round jams the hole works up. But one of my friends has the same rifle and it's been humming right along for years now. marlin glenfield model 75 jam Discussion in 'Marlin Rimfires' started by glenfield75, Mar 15, 2013. Something it needed terribly. I have an old glenfield model 75 and it jams after every shot with winchester whitebox ammmunition.