--- title: "Rock Island Armory 1911 45 ACP Parkerized Pistol" description: "45 ACP single-action pistol with a 4.25\" button-rifled barrel, 8+1 capacity, G10 grips, fiber optic front sight, and adjustable rear sight." canonical_url: "https://www.kygunco.com/product/rock-island-51487-m1911-a1-tactical-ii-45-acp-4.25-parkerized" meta: author: KYGUNCO "og:description": "45 ACP single-action pistol with a 4.25\" button-rifled barrel, 8+1 capacity, G10 grips, fiber optic front sight, and adjustable rear sight." "og:image": "https://cdn.kygunco.com/assets/products/147634/thumbnail.jpg?v=1713454097" "og:image:height": "500" "og:image:width": "500" "og:title": "Rock Island Armory 1911 45 ACP Parkerized Pistol" --- > Index of every page on this site: [llms.txt](https://www.kygunco.com/llms.txt) [Home](https://www.kygunco.com/) / [Shooting](https://www.kygunco.com/category/shooting) / [Guns](https://www.kygunco.com/category/shooting/guns) / [Handguns](https://www.kygunco.com/category/shooting/guns/handguns) / [Semi-Auto](https://www.kygunco.com/category/shooting/guns/handguns/semi-auto) / RCK-51487 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/147634/main.jpg?v=1713454097) For illustration purposes only, this image may not be an exact representation of the product. # ROCK ISLAND M1911-A1 Tactical II 45 ACP 4.25" 8rd Pistol w/ Fiber Optic Sights - Parkerized / G10 The Rock Island Armory M1911-A1 Tactical II is a 45 ACP single-action pistol with a 4.25" button-rifled barrel, 8+1 capacity, and a black Parkerized steel finish. It features black and gray G10 grips, an ambidextrous safety, a fiber optic front sight, and an adjustable rear sight. $598.84 ** 5 interest-free payments of **$119.77** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) Pay over time with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg) ** Online In Store ** Free Shipping Enjoy delivery to the Lower 48 States at no cost. ** Ships To FFL Dealer Fulfilled by a partner warehouse. ** Partner Fulfilled ** Check Local Restrictions Not sure whether this item can be shipped to your area? Enter your ZIP code for a quick check. Selling fast. Limited quantities available. Item # 147634 Style RCK-51487 UPC 806015514879 Condition New Manufacturer [Rock Island Armory](https://www.kygunco.com/brand/rock-island) Model 1911-A1 Hand Right Hand Finish Black Round Capacity 8 Caliber 45 ACP Action Single Action Barrel Length 4.3 in The Rock series is Rock Island Armory's most well-optioned line of 1911 pistols built in the traditional 70 series design with the addition of next level upgrades. Like all Rock Island 1911s, each is built using 4140 ordnance steel on the industry's best CNC machines while being hand-fitted and tested to strict tolerance guidelines for unmatched quality and value. The Rock Ultra MS pistol is built with a 4.25" button rifled barrel supported by a full length guide rod. Smooth angled, snag-free style allows for quick draw in fast need situations. Includes a low profile adjustable rear sight and high visibility fiber optic front sight. Also includes skeletonized hammer and trigger with adjustable over travel stop and ambidextrous safety, which comes standard in the Rock series. The Rock Ultra is finished with a tough parkerzied matte coating and adds battle ready G10 tactical grips. True to all Rock Island 1911s, the Rock Ultra comes with a crisp factory 4- to 6-pound trigger to give you a great experience right out of the box. - Type: Pistol - Action: SAO - Caliber: 45 ACP - Barrel Length: 4.25" - Capacity: 8+1 - Safety: Ambidextrous - Grips: Black & Gray G10 - Sight Configuration: Fiber Optic Front, Adjustable Rear - Weight: 40 oz - Frame Finish: Black Parkerized - Frame Material: Steel - Barrel Type: Button Rifled - Slide Description: Serrated Black Parkerized Steel - Sight Style: Fiber Optic - Barrel Length Range: 4.00" to 4.99" - Weight Range: 32.00 oz to 47.99 oz ** WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, go to [www.p65warnings.ca.gov](https://www.p65warnings.ca.gov). ## Frequently Bought Together 0.0 ** ** ** ** ** 0 reviews ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Don't Forget Your Ammo ```json {"@context":"https://schema.org","@graph":[{"@id":"https://www.kygunco.com/#website","@type":"WebSite","description":"Shop KYGUNCO for firearms, ammo, accessories, parts, and outdoor gear at low prices with fast, easy nationwide shipping.","name":"KYGUNCO","url":"https://www.kygunco.com/","publisher":{"@id":"https://www.kygunco.com/#/schema/organization/kygunco"}},{"@id":"https://www.kygunco.com/product/rock-island-51487-m1911-a1-tactical-ii-45-acp-4.25-parkerized#webpage","@type":"WebPage","description":"45 ACP single-action pistol with a 4.25\" button-rifled barrel, 8+1 capacity, G10 grips, fiber optic front sight, and adjustable rear sight.","name":"Rock Island Armory 1911 45 ACP Parkerized 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