Rimfire Sports will be closed from 12/18/25 through 12/26/25 For the Christmas holiday. Orders submitted after Noon on 12/17/25 and while we are closed will be processed and shipped when we reopen.

Sign In If you haven't already, please 'Sign In' to make ordering quicker. Click on a category below to list products or to expand the category. Can't find what you want? Search by keyword using the Search function. Categories: Return and Exchange Policy AR-15 Accessories Beretta Accessories Browning Buck Mark Accessories Closeouts & Specials Gift Certificates Glock .22LR Conversion Kits GSG-522 / GSG-5 Accessories Gunsmithing Tools HK 416 & MP5 Rimfire Accessories Magazines New Products Optics Remington 597 Accessories Ruger 10/22 Accessories Ruger 10/22 Takedown Accessories Ruger 77/22 Accessories Ruger Mark II, Mark III & 22/45 Accessories Ruger Mark IV Accessories Ruger Mini-14 Accessories Shooting Accessories Sig Arms Accessories Smith & Wesson Accessories Tactical Solutions Pac-Lite Receivers Tactical Solutions Trail-Lite Barrels Volquartsen Pistols and Rifles Walther P22 Accessories Questions, Problems, Difficulties? Note: We are not a store front. No retail sales on premises. Phone Hours: 703-729-8716 (Mon - Sat: 9:00AM - 5:00PM EST) Fax: 888-622-2240 support@rimfiresports.com Dealers may either email or fax their FFL using the info above. We attempt to answer email within 24 hrs, so please be patient over email. Information FAQ Free Shipping on all orders! Best Sellers Trail-Lite, 4",Threaded End, Various Finishes Volquartsen Ruger 10/22 High Performance Kit

Best Sellers Trail-Lite, 4",Threaded End, Various Finishes Volquartsen Ruger 10/22 High Performance Kit Ruger Mark III 22/45 Magazine, Electroless Nickel Steel   Quantity in Basket: none Code: AP10MKIII Price: $26.95 Shipping Weight: 0.00 pounds       Quantity:   Ruger manufactured 22/45 Mark III magazine. NOTE: This electroless nickel steel magazine will ONLY fit the 22/45 model (the model with the synthetic grip frame) of the Mark III. If you have the model of the Mark III with a metal grip frame you need the M10MKIII Ruger Mark III magazine. Note: Ruger has advised us that these magazines will not work in the Ruger Mark I, Mark II, Mark III, or Ruger 22/45 Mark II or Mark IV pistols.   Average Customer Rating          Number of Raters: 2   03/31/2007 Works great in my 22/45 Mk III! No problems after 500 rounds.