Black Tactical Black PMAG Coupler Mag Links for 5.56x45 Gen M2/M3 30 and 40 round Magazine speed loader. Impact resistant polymer construction provides light Polymer weight and resists operational abuse. Wide-set, two-piece bolt-on designs resist flexing integral grooves interface with PMAG ribbing to eliminate slippage. This coupler allows the user to attach two PMAG together for more efficient speed reloads. This coupler is NOT compatible with first generation PMAGs. Magazines not included just Mag Link Coupler. Price per coupler. Condition is New.