Maglula LU21B LULA Loader & Unloader Made of Polymer with Black Finish for 308 Win, 7.62x51mm NATO SR25, DPMS $28.75
Magpul MAG562-BLK PMAG Minus Limiter 7.62x51mm NATO 5 Compatible w/ PMAG LR/SR GEN M3 Mags Black Polymer/3 Per Pack $13.25
Magpul MAG563-BLK PMAG Minus Limiter 7.62x51mm NATO 10rd Compatible w/ PMAG LR/SR GEN M3 Mags Black Polymer/ 3 Per Pack $13.25