Masterkey — specifications, caliber, stats, review, photos | WeaponAtlas
The Masterkey is a 12-gauge under-barrel pump-action shotgun developed by Knight's Armament Company in the 1980s. It is based on a shortened Remington 870 and mounts beneath an assault rifle as a dedicated breaching weapon.
| Manufacturer | Knight's Armament Company |
|---|---|
| Year introduced | 1985 |
| Caliber | 12 Gauge |
| Weight (unloaded) | 2.600 kg |
| Length | 432 mm |
| Barrel length | 432 mm |