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Looking for more accessory space on your Ruger PC Carbine? This Catalyst Arms Hardpoint kit makes it easy to add more attachment points for on your carbine, and it doesn't require any modification to install. This extension is designed to clamp onto your carbine's forend, and it gives you three M-LOK mounting spots, so you can enhance your platform with a laser, light grips and more. You'll even get an integral quick-detach sling-mounting point. Each Catalyst Arms Hardpoint Rail Extension is machined from 6061-T6 aluminum right here in the USA and treated with a hardcoat-anodized finish. The addition weighs in at 2.5 ounces. You'll need to buy the Magpul M-LOK three-slot rails separately.