Home / Store Services / AR UPPER OR LOWER RE-BUILD View cart “BORESIGHT SERVICE AND ZEROING” has been added to your cart. AR UPPER OR LOWER RE-BUILD$100.00 [] AR UPPER OR LOWER RE-BUILD quantity Add to cart UPC: ARREBUILD SKU: ARREBUILD Category: Store Services Product ID: 8968 Related products SILENCERSHOP SINGLE SHOT TRUST $24.95 Add to cart 2A MICHIGAN MADE COASTERS $9.99 Add to cart PISTOL SIGHT INSTALL $25.00 Add to cart TRIGGER INSTALL FOR AR15 $15.00 Add to cart