BRC butt caps 12 up to 32 bore
BCS pvc butt caps 16 up to 28 bore
Size o.d. 19/23/25/27mm
Outher diameter 27/25/22mm
i.d. 18/20/22/24/26 mm
Outher diameter 22/25/28mm
aluminium silver anodized
i.d. 16 and 23 mm
Size 25/27mm