Check the listing for details. MK Machining AICS Single Round Sled/Training Aid. Condition: New. Listed at 34.99 USD. Training/non functional block that locks into an AICS pattern magwell. Easily use your rifle as a single shot with this AICS SA Single Shot sled. Simply locks in place like a standard magazine, and allows for smooth feeding of a single round. Particularly useful when testing new loads, rounds that are longer than mag length, or any situation where you don’t feel like loading a magazine. Non-Functional Mag Training AidFeed Single Rounds SmoothlyFunctional in AICS Mag RiflesLightweight Polymer ConstructionProfessionally Printed via Industrial Additive ManufacturingInternational buyers ? please note: Import duties, taxes, and charges aren't included in the item price or postage cost. These charges are the buyer's responsibility.Please check with your country's customs office to determine what these additional costs will be, prior to bidding or buying.