Tag Archive: RJK Ventures

Mar 15

AR10 MAG|Coupler

RJK Ventures LLC Expands the MAG|Couplerâ„¢ Product Line with support for AR10 Platforms ALISO VIEJO, Calif. – March 15, 2017 – (AR15Vault.com) — RJK Ventures LLC announced today that it has expanded the popular MAG|Coupler product line and is now shipping AR10 (.308), 7.62x51mm magazine couplers under the MAG|Couplers brand.  The AR15 .223 / 5.56x45mm …

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