Maglula AR-10 .308/7.62x51mm Magazine Loader

Compatible with AR-10 magazines with a rear catch, the Maglula® AR-10 .308/7.62x51mm Magazine Loader makes it easy to load AR-10 magazines fast and easy, while simultaneously protecting your thumbs for a quick, comfortable loading experience. Constructed of a durable, impact-resistant polymer, this magazine loader features a non-marring surface, designed to protect magazine feed lips from damage. Just push the lever and enjoy simple, frustration-free loading!
Fits 5, 10, 20, and 25 round SR25 type 7.62 / .308 metal and polymer mags, made by:

Magpul
DPMS
Knight Armament
POF USA
Lancer
LaRue Tactical
C-Products
Oberland Arms