Скачать или смотреть 1R1 Tegris mag inserts also make re-indexing mags a breeze.

The 1R1 magazine insert is a composite insert designed to securely hold one AR15 magazine and one double stack handgun magazine or similar sized object in a LOOP lined admin pouch, magazine placard, chest rig etc

Built from a plastic composite and 3" nylon elastic with HOOK fastener on both side
Insert can be installed with the rifle mag slot in front position or spun around allowing it to be in the rear position
Can be worn in either configuration on either the users left or right side.
Flared mag well makes for an easier insertion of the magazine while still retaining secure retention.
Mounting provisions for most bungee mag keepers when higher retention is required 4.75L x 4H x 1.125"W at the magwell's widest point.