Uncle Mikes magazine cap swivel set has a factory magazine cap with the swivel base already installed. Just unscrew the factory magazine cap and replace it with the new cap. For the buttstock, a 3/4" wood screw swivel base is included, along with two super swivels with Tri-Lock.
| Series | Swivel Set |
| Model | Mag Cap |
| Gauge | 12 Gauge |
| Firearm Fit | Remington 11-87 |
| Color | Blued |
| Material | Steel |
| Style | Quick Detach |
| Loop Size | 1" |