AR’s in 7.62x39mm aren’t known for their reliability. Feed ramps that were designed for the skinny 5.56 cartridge don‘t work quite as well for the buxom Russian 7.62.
Customer brought in an AR pistol chambered in 7.62x39mm. It was having feeding issues, and chambered rounds were showing gouges on the bullet and casing. Burrs in the feed ramps were the culprits.
I went over options with the customer, and we decided to remove the center divider between the two feed ramps, to assist in feeding. This would also remove the burrs.
Original feed ramps.
Customer brought in an AR pistol chambered in 7.62x39mm. It was having feeding issues, and chambered rounds were showing gouges on the bullet and casing. Burrs in the feed ramps were the culprits.
I went over options with the customer, and we decided to remove the center divider between the two feed ramps, to assist in feeding. This would also remove the burrs.
Original feed ramps.