MDT Polymer Magazines GEN 1 – .308 / 6.5 Creedmoor


34 in stock


The .308 / 6.5 MDT GEN 1 Polymer mags are on clearance to make way for GEN 2 mags.

MDT Detachable box magazines are designed to fit the MDT TAC21 and LSS Chassis systems, as well as many other M24 type chassis and bottom metals. Manufactured from high quality Polymer and uses a tempered steel spring. Available in .223 and .308.

We put our magazines through vigorous testing. We have used high quality strength polymer with a high glass content to ensure durability and strength. Although not unbreakable, we have driven over these magazines with cars and trucks which did not break them.


.308 magazine: 8 rounds (may fit 10 rounds with some ammo)

MAX OAL .308: 2.800″


MDT magazines are guaranteed to work in our TAC21, LSS, LSS-XL, HS3, ESS and ACC chassis systems.

They do not work with the following inlets; Ruger American in 204/223/556/300AAC, Browning X-bolt, Winchester XPC and may require fitting in Winchester Model 70. Based on customer feedback, the following systems work well with our magazines, but fitting may be required in some cases.

  • XLR Chassis
  • KRG X-Ray – Some need adjustment
  • GRS riflestocks- (Configured for AICS magazines)
  • CDI Precision bottom metals- (Configured for AICS magazines)
  • Pacific tool and Gauge bottom metals- (Configured for AICS magazines)


  • .308
  • 6.5 Creedmoor

Not recommended for .300 WSM. Use a metal magazine for this caliber as the feed lips need adjustment.

Additional information


223, 308


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