Remington 870 ComboPC: 861117002611 Includes the GEN2 Holster & the Stratus 870 Knuckle Pin that easily replaces the OME rear trigger pin w a detachable knuckle. Ideal for LEO & MIL when breaching and 870 needs to be securely placed on belt or vest out of the way when transferring to another weapon or going hands on. Reduces Fatigue & Improves Weapon Control While Hands Are Free. Most Effective With a Sling For Double Connection To Your Weapon. Level 1 vs Level 2