--- title: "Rock Island Armory Rock Ultra 10mm 1911 Pistol" description: "Rock Ultra 10mm 1911 pistol with a 5\" barrel, Parkerized finish, G10 grips, 8+1 capacity, adjustable LPA rear sight, and fiber-optic front sight." canonical_url: "https://www.kygunco.com/product/rock-island-51991-rock-ultra-fs-10mm-5-81" meta: author: KYGUNCO "og:description": "Rock Ultra 10mm 1911 pistol with a 5\" barrel, Parkerized finish, G10 grips, 8+1 capacity, adjustable LPA rear sight, and fiber-optic front sight." "og:image": "https://cdn.kygunco.com/assets/products/147633/thumbnail.jpg?v=1711775109" "og:image:height": "500" "og:image:width": "500" "og:title": "Rock Island Armory Rock Ultra 10mm 1911 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-51991 ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/147633/main.jpg?v=1711775109) For illustration purposes only, this image may not be an exact representation of the product. # ROCK ISLAND Rock Ultra 1911 10mm 5" 8+1 Pistol - Black The Rock Ultra is a 10mm 1911 pistol with a 5" button-rifled barrel, 8+1 capacity, Parkerized frame and slide, and G10 grips. It features an adjustable LPA MPS1 rear sight, fiber-optic front sight, ambidextrous safety, skeletonized hammer and trigger, and a full-length guide rod. 4.71 ** ** ** ** ** [7 reviews](#reviews) $566.92 ** 5 interest-free payments of **$113.38** 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. Item # 147633 Style RCK-51991 UPC 806015519911 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 10mm Action Single Action Barrel Length 5 in The Rock Ultra FS pistol is built in traditional 70 series design and delivered with our precise engineering standards and first rate upgrades. This pistol is chambered in 10mm with a 5” button rifled barrel supported by a full length guide rod. Smooth angled, snag-free style allows for quick draw in fast need situations. Includes rear LPA MPS1 Adjustable Type 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 1.36 kg - 1.81 kg trigger to give you a great experience right out of the box. **SPECIFICATIONS** - Caliber 10mm - Capacity 8 Rounds **SIGHTS** - Front Dovetail Fiber-Optic Front Sight - Rear LPA MPS1 Adjustable Type **WEIGHT** - Unloaded2.49 lbs / 1.13 kg - Loaded 2.87 lbs / 1.3 kg **DIMENSIONS** - Length 8.75 inch / 222.25 mm - Width 1.313 inch / 33 mm - Height 5.5 inch / 139.7 mm - Grips G10 - Frame Parkerized - Slide Parkerized **BARREL** - Length 5 inch / 127 mm - Grooves 6 Grooves - Trigger Pull 1.36 kg - 1.81 kg - Length of Twist 1 in 16 inch / 400 mm ** 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 4.71 ** ** ** ** ** 7 reviews ** ** ** ** ** 5 ** ** ** ** ** 2 ** ** ** ** ** 0 ** ** ** ** ** 0 ** ** ** ** ** 0 ## Reviews ** James Clayton, NC This Handgun performed great! very comfortable and accurate only gripe I have is no pic rail and the front fiber optic could be better. This is a so called budget 1911 and I don't regret the purchase. 1/10/2025 ** ** ** ** ** ** GARY OKLAHOMA, OK GREAT GUN ... !!! 11/7/2024 ** ** ** ** ** ** JOSEPH Campbellsville, KY Great value on a 1911. A+ 11/5/2024 ** ** ** ** ** ** Verified Customer Very good service, I got the pistol way before I get the ammo. Kygunco.com is my favorite place to shop .this pistol is amazing, the price is amazing. Cheapest price for any other website including price of pistol and shipping. 10/27/2024 ** ** ** ** ** ** Brian Demouy Webster, TX Runs like a Swiss watch, and deadly accurate! Highly recommend! 1/1/2021 ** ** ** ** ** ** KyGunCo Verified Customer Preston, ID looks very nice good fit and finish,have not shot it yet. Only comes with one mag witch sucks can't wait to shoot it. 12/3/2020 ** ** ** ** ** ** KyGunCo Verified Customer Rock Hill, SC This a great gun will see how good soon. I hope it is as great as others. Its a great place to buy and just look. You guys have a lot of items. 11/29/2020 ** ** ** ** ** ## 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-51991-rock-ultra-fs-10mm-5-81#webpage","@type":"WebPage","description":"Rock Ultra 10mm 1911 pistol with a 5\" barrel, Parkerized finish, G10 grips, 8+1 capacity, adjustable LPA rear sight, and fiber-optic front sight.","name":"Rock Island Armory Rock Ultra 10mm 1911 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This is a so called budget 1911 and I don't regret the purchase.","reviewRating":{"@type":"Rating","bestRating":5,"worstRating":1,"ratingValue":4},"datePublished":"2025-01-10T01:35:58.5946441+00:00","author":{"@type":"Person","name":"James"},"inLanguage":"en"},{"@type":"Review","name":"Review for ROCK ISLAND Rock Ultra 1911 10mm 5\" 8+1 Pistol - Black","reviewBody":"GREAT GUN ... !!!","reviewRating":{"@type":"Rating","bestRating":5,"worstRating":1,"ratingValue":5},"datePublished":"2024-11-07T14:12:21.4060629+00:00","author":{"@type":"Person","name":"GARY"},"inLanguage":"en"},{"@type":"Review","name":"Review for ROCK ISLAND Rock Ultra 1911 10mm 5\" 8+1 Pistol - Black","reviewBody":"Great value on a 1911. A+","reviewRating":{"@type":"Rating","bestRating":5,"worstRating":1,"ratingValue":5},"datePublished":"2024-11-05T21:05:36.9502129+00:00","author":{"@type":"Person","name":"JOSEPH"},"inLanguage":"en"},{"@type":"Review","name":"This is a review for ROCK ISLAND Rock Ultra 1911 10mm 5\" 8+1 Pistol - Black","reviewBody":"Very good service, I got the pistol way before I get the ammo. Kygunco.com is my favorite place to shop .this pistol is amazing, the price is amazing. Cheapest price for any other website including price of pistol and shipping.","reviewRating":{"@type":"Rating","bestRating":5,"worstRating":1,"ratingValue":5},"datePublished":"2024-10-27T05:41:32.4805776+00:00","author":{"@type":"Person","name":"Verified Customer"},"inLanguage":"en"},{"@type":"Review","name":"AWESOME 10mm 1911!","reviewBody":"Runs like a Swiss watch, and deadly accurate! 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