Area 419 Magazine Extension ARCA add embroidery to front or

add embroidery to front or rear strap of your sling as well for a minor charge

Also works well for Picatinny rail conversions with this part here

MagnetoSpeed V3 Instructions

These also work great as a rear bag as well

62 x 51 mm AM Box magazine for all AICS based detachable magazine systems with longer seating length allowed

Area 419 Magazine Extension ARCA add embroidery to front orArea 419's opinion these are the only correctly made mag extensions on the market. Other magazine extensions on the market are simply rectangular blocks. If you look at your magazine the bottom is angled so when you attach a competitors extension, it is not parallel with the column of cartridges in the magazine. This probably works fine for +2 rounds, but it would not work for much if any more. They decided to do it right, and cut the attachment rail