This is a sling, for slinging things like an M4/M16 or your favorite musket. These are a classic sling that allows you to secure retain your rifle.
Specter Gear SIG 556 CST 3 Point Tactical Sling
Specter Gear Mossberg 500 Reduced LOP Stock CST 3 Point Tactical Sling
Specter Gear Universal QD Swivel SOP 3 Point Tactical Sling
USGI Padded Small Arms Sling [Genuine Army Issue]
B5 Systems Keymod Handguard Rail, KrypTek Camo - Venture Surplus
Specter Gear Armed Forces Deployment Package SOP 3 Point Sling
Condor 3 Point Sling in Black - ROCKSTAR Tactical Systems
IWEAPONS® IDF 3-Point Rifle Sling Quick Release Gun Sling – Black – IWEAPONS®
Specter 3 Point Tactical Sling, Black - Venture Surplus
Specter Gear Universal Fit CST 3 Point Tactical Sling
Blackhawk Universal Swift 3-Point Sling Black [FC-648018127502