The Umarex / VFC Glock 17 Gen 3 / 18C Frame (Parts # 03-1) is the original factory part designed to work with the Umarex / VFC Glock 19 Gen 3 / 18C GBB Pistol.
It's exactly what I was looking for for a custom vfc glock 17
Dong In
Good
1. Compatible with Marui Glock 17 gen3 Hammer unit.
2. Its inner frame is compatible with the Marui Glock 17 gen3 hop-up chamber and outer barrel.
3. Over glossy appearance.
4. The VFC gen4 trigger is slightly larger, so it interferes with the bottom of the trigger guard
Cozar
Good.
1. Compatible with Marui Glock 17 gen3 Hammer unit.
2. Its inner frame is compatible with the Marui Glock 17 gen3 hop-up chamber and outer barrel.
3. Over glossy appearance.
4. The VFC gen4 trigger is slightly larger, so it interferes with the bottom of the trigger guard