Obsidian Arms +6 Extension for MDT 308 Polymer Magazine

$57.50 $40.00

29 in stock

Designed for:

  • MDT Polymer Magazines (.308 caliber)


  • Adds 6 round to the 8 round .308 magazine for a total of 14 rounds
  • Utilizes original base plate and spring
  • Includes back retainer plate
  • Added weight aids in magazine release
  • Made from 6061 Aluminum
  • Black Hard Coat Anodizing
  • Made in USA

***Magazine not included***

29 in stock

SKU: MDT-308-BLK Category:


The Obsidian Arms +6 Extension for MDT 308 Polymer Magazines is made out of billet 6061 aluminum that has been hard coat anodized black for strength and durability.  The extension utilizes the original spring and base plate of the magazine.  This design allows the user to disassemble the magazine for cleaning without having to bend the magazine spring in a way that it was not designed for and without the use of tools.

Additional information

Weight .7 lbs
Dimensions 9 × 4.5 × 2.5 in


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