Current Palmetto promotions like Palmetto Special Offers! Special Offers and latest Promotions at Palmetto. Palmetto Save 20%! Save 20% on Select Magpul Products. Palmetto coupon, Discount Code and free promotions here at voucherjack.com. Palmetto State Armory is an American firearms manufacturer and retailer based in Columbia, SC. Founded in 2008, Palmetto State Armory offers the best price, value, & selection for Modern Sporting Rifles (MSR), AR Build Kits, Ammunition Magazines, Handguns, Optics, Accessories & other shooting gear. To redeem the coupon and discount, simply click on the underlined link for the above offers. If there's a Palmetto coupon code or promo code listed after clicking to the offer you will need to enter that discount code in the appropriate place on the Palmetto website, usually found during the check out process for the shopping cart.