NEW - GS +3 Magazine Extension for Glock OEM 15rd 43X/48 Magazine (PREORDER) $39.99 $59.99 (0) No Reviews yet SKU: 1345-BLK-43X815 Select options : , , , , , , , , , Back $39.99 $59.99 Select Color: Select Option : 43X/48 15rd Glock Magazine Quantity discounts available QuantityPrice QTY. -+ Add to Cart Videos × Product Description Available for preorder!These extensions allow you to add 3 extra rounds of 9mm to your new 15rd Glock 43X/48 magazine.Will work with magwells!Please Note: These extensions will not fit 10rd 43X/48 magazines or Shield Arms magazines. Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review