The CW Series have conventional rifling instead of match grade polygonal rifling; the CW Series have a MIM (metal-injection-molded) slide stop lever instead of a machined slide stop lever; the CW Series cannot be retrofitted with night sights because the slide does not have a front dovetail cut; the CW Series slide have fewer machining operations; and the CW Series have simple engraving on the slide instead of rollmarking; and the CW Series are shipped with one magazine instead of two.UPC: 602686107310
Firing Pin Block
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