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That is the Marlin proofmark, showing the gun to have been test fired with a high pressure "proof" load. It stands for the initials of the founder of the company- John marlin.

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9y ago

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How much is glenfield model 30a marlin 30-30 worth with jm on barrel?

The value of a Glenfield Model 30A Marlin .30-30, particularly one marked with "JM" on the barrel, typically ranges from $300 to $600, depending on its condition, age, and any unique features. Rifles in excellent condition with original parts and minimal wear can command higher prices. It's always a good idea to check recent sales and listings for a more accurate market value.


What is the history of a Marlin 30-30 1870 model?

jm barrel


What is a Marlin 1969 model Glenfield 3030 with a small JM on the barrel worth is it rare?

the Glenfield name used on the marlin rifle was for mass-merchandisers and chain stores that wanted brand name products to sell. this model you have was made by marlin from 1966-1970. marlin made two variations of this rifle, the change coming in 1969. it should have impressed checking on stock and forearm. As for the JM on the barrel, this is Marlin trade mark. 77,603 were built. these sold for around $100 when they were new. They are real nice rifles, I have a 30A 1st. variation that should look almost like yours except the magizine tube is full length. I wouldn't call it rare, its worth what ever you can get out of it. good solid rifles made by Marlin!


When did Operation JM happen?

Operation JM happened in 2004-04.


How tall is JM de Guzman?

JM de Guzman is 5' 7".


What is the population of JM Family Enterprises?

JM Family Enterprises's population is 2,009.


When was JM Family Enterprises created?

JM Family Enterprises was created in 1968.


What does the circled JM stamp on the right side of the barrel stand for on a 1949 30-30 Marlin 336A?

Marlin proofmark the mark first used was the letter M in a circle. In later years (after the model 1889) the mark used was the letters JM (John Marlin) in a oval


How was jm barrie famous and why?

JM Barrie was an amazing author, who wrote the classic, Peter Pan.


When was JM De Guzman born?

JM De Guzman was born on 1988-09-09.


What is JM Family Enterprises's motto?

The motto of JM Family Enterprises is 'and "The future belongs to those who prepare for it."'.


What is the motto of JM Family Enterprises?

JM Family Enterprises's motto is 'Our Associates are our most important asset.'.