The fx-9 sling models feature a qd receiver end plate designed with quarter-turn rotational over travel stops.Heavy-duty 1.5" adjustable polyester sling with an adjustable inner length of 42-58".The fx-9 sling models have a faux suppressor and a foam buffer tube cover.Because this model is braceless, it does not fall under the atf point system guidelines.Caliber: 9mm LugerBarrel Length: 10"Capacity: 31+1Safety: Safety Selector SwitchGrips: AR15Sights: NoneWeight: 5.91 lbsOal: 24.63"Stock Finish: BlackBarrel Length Range: 10" to 10.99"Weight Range: 5 lbs to 5.99 lbs