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Is this rock Island "ported" so that it will accept 185 grn silver tips besides the standard 230 grn military ammo?
3 Answers

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Is this rock Island "ported" so that it will accept 185 grn silver tips besides the standard 230 grn military ammo?
This will work fine with 185 gr silver tips or really any 45acp ammo. I own the full sized version of this and very reliable, accurate pistol and functions with everything I've put threw it.
YES, will fire and function with 185 gr silver tips and a wide array of ammo. I hope this helps!
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Rock Island Armory GI Standard MS 45 ACP Pistol
Charles, this midsize is not ported but, will handle the 1000 ft/s Muzzle Velocity 185gr Silver tips no issue. Cheers and stay safe!