Looking for a heavy hitting big bore cartridge to use in your lever action rifle? Here’s what you need to know about the .450 Marlin. Most hunters in North American are probably familiar with the .45-70 Government. However, the much newer .450 Marlin cartridge is not nearly as well known.

One potential advantage of the .450 Marlin was its ability to chamber easily in bolt-action rifles, essentially becoming a ".45-70 bolt action" cartridge. This idea, however, was only utilized by one company: Steyr-Mannlicher.

Sep 18, 2009 · I am really considering picking up a steyr pro hunter rifle in .450 marlin. However, I am wondering how much more performance a handloader can milk out of the cartridge compared to the factory offerings?

Ideal for pursuing big game or dangerous game in thick brush. Metal Condition: Shows original finish with light handling marks and field use. Wood Condition: Shows original finish with light field use. Bore Condition: Clean with sharp lands. Triggers: Factory. Stock: Full synthetic with Realtree Hardwoods finish. 13 7/8" LOP.

Jun 8, 2009 · In a Marlin Guide Gun they have to keep 450 Marlin loads sub-40,000psi but in a Prohunter the sky's the limit. I reckon this could be a real stealth bomber. Mild loads for normal work and then wind it up for buffalo busting. Plus Steyrs are really good rifles. Any help?

Jan 13, 2008 · I've fired the .450 Marlin in a Steyr boltgun & found recoil was noticeable, but hardly unpleasant, and I don't consider it to be a huge thumper.

Oct 8, 2009 · I don't see the 450 Marlin listed on Steyr-Mannlicher.com for the Pro Hunter chamberings? Is this a factory chambering or aftermarket? I think the twist is likely an accuracy choice.

Aug 19, 2022 · Besides the original Marlin model, the cartridge has found its way into lever guns by Winchester and Browning, plus the Ruger No. 1 single-shot and a bolt gun by Steyr. Several specialty firms in...

Oct 22, 2009 · just ordered this Steyr pro-hunter in 450 marlin the rifle twist is 1 in 14 inches would like your opinion on this rifling twist compared to the usual 1 in 20 inches, I will be shooting bullet in the 500 to 600 range at 1500 fps

Buy Steyr Mannlicher Big Bore .450 Marlin Threaded Austrian Safari Game Rifle: GunBroker is the largest seller of Bolt Action Rifles Rifles Guns & Firearms All: 1090512759