Inert 20mm "Dummy" Cartridge M51A1 with Projectile Head

Marsoni

M251S

$35.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Inert 20mm "Dummy" Cartridge M51A1 with Projectile HeadThe Inert 20mm "Dummy" Cartridge M51A1 is a training round designed to simulate a live 20mm cartridge for military training and weapon testing. The cartridge features a non functional projectile head and casing, crafted from durable materials for repeated handling and cycling through weapon systems without firing. The M51A1 is engineered to mimic the weight and dimensions of a live round, ensuring realistic training scenarios. This dummy cartridge is

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I had no idea what to expect from these. But for as cheap as they were I was willing to just write it off of they weren't that good. I had already picked up a new memory foam pillow to replace my previous memory foam pillow that didn't do well with dissipating heat. This new pillow was fine by itself, but when I put my pillowcase on it, the properties that made it cooling were negated. I'd get a bit of sweat on the side of my head or my neck where it was against the pillow all night. The pillow was supposed to be a cool one, but the pillowcase was not. So I grabbed this set. Smooth, no loose threads anywhere, stitching and seams are all spot on. And it's smooth to the touch. Got it on the pillow, and as soon as I laid my head down on it, I could tell immediately that this was going to be a different result that my other one. Not nearly as warm even after laying on it for a while. No heat buildup, no bits of moisture on the skin after being on it all night. This definitely works well, especially with my cool sleep pillow. Now I can have a far more comfortable nights sleep. For the price, it's a steal. I have no idea what longevity will be, but with two of them, I'm sure I'll get more than my money's worth.

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Reviewed in the United States on August 7, 2023

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Mary Hales

San Leandro, US

★★★★★ 5

Soft and cooling

Color: Dark Grey, Size: 2 Pack Queen(20x30)-Regular

Soft, not too thick and wash very well. Feels great against my skin and doesn’t make my hair frizzy. Color was perfect.

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Reviewed in the United States on May 13, 2026

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