Glock Locking Block Pin $4.00 to $5.00 (0) No Reviews yet SKU: 6221 Select Gun : 36 All Glocks except 42/43/36 Quantity discounts available QuantityPrice QTY. -+ Add to Cart Product Description Glock Locking Block Pin Part number 28 on the Glock Schematic. Order Online or Call Toll-Free: 1-800-601-8273 Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review