Take Down Pin Spring & Pivot Pin Spring & Detent Kit - 2 Pk- RRA
Made to USGI specs, for the ar15 / m4 standard lowers. Will work in most proprietary lowers unless otherwise specified by that manufacturer. Please write if you have any questions. Rock River Arms manufactured. Some detents are gold, some are silver. Some springs are black, some are steel gray, some are dark brown.
Color variations are completely normal & do not effect the parts function