Pro Series SA Polymer MDT (Gen1) 223 +5 Extension

Add five rounds of capacity to your Gen1 SA Polymer MDT 223 magazine with the MK Machining Pro Series SA Polymer MDT (Gen1) 223 +5 extension.  Redesigned shape for increased strength and durability. Now printed from tough PA12 Nylon Material. Easily installs in under a minute, simply remove baseplate and slide on extension. Proudly printed on top notch machines from PA12 Nylon. Extremely lightweight, lifetime warranty, and made in the USA! Reuses stock spring and follower.

If you do not know what generation of magazine you have, please contact: [email protected]

Check out the rest of our store here