Glock G20/21/29/9-rd G30 Mag Floor Plate $5.00 (0) No Reviews yet SKU: 6178-BLK Select Color: Quantity discounts available QuantityPrice QTY. -+ Add to Cart Product Description The Floor Plate slides in the bottom of your magazine to lock the insert and mag spring in place. Fits Model 20/21/29/9-rd G30 magazines Order Online or Call Toll-Free: 1-800-601-8273 Reviews 0 BackRatings & ReviewsNo reviews availableBe the first to Write a Review