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Posted On: 11/9/2022
By: Willie Burney
A: Thanks for reaching out Willie! Both cartridges do have 0.355" diameter bullets, but they are by no means interchangeable. Even if the 9mm cartridge weren't 0.185" longer, its 39% higher chamber pressure would blow a 380 ACP pistol to smithereens on ignition.
Posted On: 9/21/2022
By: Matthew W Hildreth
A: Thanks for reaching out Matthew! I asked Hoppe's – they said this cleaning kit should indeed work for a 9x18 Makarov.
Posted On: 10/14/2020
By: Reginald
A: No sir, the brush in this kit is a little too wide in diameter to be ideal for your 32. If you order this kit, I would advise that you also order a .32 caliber bronze brush (although I regret we haven't got those in stock, they are available individually at gun stores and other reputable online retailers).
Posted On: 8/9/2020
By: Russell Coleman
A: Hi Russell! This cleaning kit will work well for you. The same brush that would clean a 9mm barrel will work perfectly for a 380 Auto! (The two cartridges acutally have the same diameter bullet.)