Tactical Bolt Catch + Roll Pin Made in the USA Model 4/15 .223 5.56 Battery Assist
Specifications:•Made of More Durable Steel. (Not Aluminum)•Black Parkerized Finish. 1-3/4" long 3/4" wide .•Fits All Mil-spec Lower receivers in 5.56/.223•Features Larger Thumb Pads• Easier to Operate•Easy to Install •Comes Complete With New Roll Pin.