Pro Series SA Polymer MDT (Gen2) 308 +4 Extension
Add four rounds of capacity to your SA Polymer MDT (Gen2) 308 magazine with the MK Machining Carbon Fiber Nylon SA Polymer MDT (Gen2) 308 +3 extension. Redesigned shape for increased strength and durability. Now printed from Nylon 11 Material. Easily installs in under a minute, simply remove baseplate and slide on extension. Proudly printed on our HP MJF 5200 Machine. Extremely lightweight, lifetime warranty, and made in the USA! Reuses stock spring and follower. We were able to squeak in +4 with a bit of a thumb workout.
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