MFT Extreme Duty AR15 5.56/.223 Join or Die 10/30 10Rd or 15/30 15Rd Blocked Mag CA,CO,CT,IL,MA,MD,NY,NJ,RI,WA,VT Legal Magazine



Our 10/30 10 Round and 15/30 15 Round blocked AR 15 magazines are made from brand new MFT mags. We block them with an Polymer block designed and made here in our shop. This block replaces the factory locking plate with one that has the block made into it. For states that require epoxy they will be blocked the same way just epoxied shut and riveted.


Our 10/30 mags are California, Connecticut, Massachusetts, Maryland, New Jersey, New York, Rhode Island, Washington State, Vermont and DC Legal.
Our 15/30 mags are Colorado and Illinois Legal.


  • .223/5.56
  • 10/30 or 15/30
  • 30 Rounds blocked to 10 or 15 Rounds
  • Black with Join or Die design on it
  • Country Spirit Made Polymer Block


Mags shipped to NY, CO, CT, MA, VT & DC will have the base sealed shut with epoxy and a rivet to fully comply with the laws there.

** Oak Park IL is a 10 Round Limit on Magazines

For states that do not require the base sealed shut we can still epoxy it shut on request free of charge. Just let us know you would like it done.


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MFT Extreme Duty AR15 5.56/.223 Join or Die 10/30 10Rd or 15/30 15Rd Blocked Mag

  • Product Code:AR15
  • Availability:3
  • $29.99


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