Gen 5 Glock Rear Sight 6.5mm - Polymer $6.99 (0) No Reviews yet SKU: 6309 Quantity discounts available QuantityPrice QTY. -+ Add to Cart Product Description Gen 5 Glock Plastic Rear Sight standard 6.5MM. Order Online or Call Toll-Free 1-800-601-8273 Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review