SIG SIG556 to SIG551-A1 Swiss Transformation Kit
SIG Sauer has a limited number of complete SIG551-A1 lowers, including stock and magazine, which can be used to convert a SIG556 to a SIG551-A1. Only 250 kits are available and they are only taking phone orders. Call (866) 619-1128 or (603) 418-8102. [ Many thanks to [Read More…]