The times of sending off your Sig Cross to have the barrel changed is over with Proofs dropin barrel Design Standalone and guaranteed to headspace is achievable at your own home with no gunsmith required
STOCK NOTICE: This item is NOT marked "In Stock". We will contact you within 12-24 hours by email if your order is on backorder with our distributor and will take longer than the 5-7 business days it takes us to ship out. Please do not order if you need this item shipped immediately.