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The HM Defense MAG50BMG10 is a purpose-built magazine designed exclusively for the HM50 rifle chambered in .50 BMG. When you're working with one of the most powerful cartridges available, your magazine needs to be up to the task, and this one is. Constructed from heavy gauge steel with a manganese phosphate finish, it's built to withstand the massive pressures that come with .50 BMG rounds.
With a 10+1 round capacity, the magazine keeps your rifle fed while maintaining the durability needed for heavy use. The black polymer follower and removable steel floorplate make maintenance straightforward. HM Defense engineered this magazine specifically for their HM50 platform, so you get the proper fit and feeding characteristics without compatibility concerns. It's not a compromise fit or aftermarket adaptation—this is the official accessory from HM Defense.
If you own an HM Defense HM50B or HM50B2, this magazine is what the rifle was designed to work with. The HM50 platform features a match-grade barrel and precision engineering throughout, and the magazine matches that level of attention to detail. Users of the HM50 platform consistently praise the magazine-fed design for its convenience compared to single-shot alternatives, and having backup magazines means more time shooting and less time reloading between string.
No, this magazine is designed specifically for HM Defense HM50 rifles and is not compatible with other .50 BMG platforms like Barrett. HM Defense engineered it precisely for their rifle's magazine well and feeding system, so cross-platform use isn't an option.
The magazine has a 10+1 round capacity, meaning it holds 10 rounds in the magazine with one more loaded in the chamber for a total of 11 rounds ready to go.
HM Defense recommends using quality commercial .50 BMG ammunition with annealed cases, as the HM50 rifle's chamber is built to tight tolerances. The manufacturer specifically advises against military surplus .50 BMG rounds, which can produce unpredictably high pressures and potentially damage your rifle.
Yes, the floorplate is removable steel, making it easy to disassemble the magazine for cleaning and maintenance. The design keeps everything straightforward so you're not wrestling with the magazine when you need to keep it running clean.
| UPC | 854164007364 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | MAG50BMG10 |
| Caliber/Gauge | .50 BMG |
| Capacity | 10 |
| Model |
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