Battle Arms Development Workhorse Upper Receiver Aluminum Black Anodized Receiver for AR15/M4 WH556-URS. Battle Arms Development WH556-URS Workhorse Upper Receiver Aluminum Black Anodiz - Specifications for Battle Arms Development WH556-URS...
Battle Arms Development Workhorse Upper Receiver Aluminum Black Anodized Receiver for AR15/M4 WH556-URS. Battle Arms Development WH556-URS Workhorse Upper Receiver Aluminum Black Anodiz - Specifications for Battle Arms Development WH556-URS...