--- title: "KelTec RDB-S 5.56 Bullpup Rifle, Green/Black" description: "5.56 NATO/.223 Remington bullpup rifle with a 16.1\" barrel, 10rd magazine, AR15 magazine compatibility, and downward shell ejection." canonical_url: "https://www.kygunco.com/product/keltec-rdb20grn-rdb-s-survival-bullpup-223-5.56-16.1-10rd-green" meta: author: KYGUNCO "og:description": "5.56 NATO/.223 Remington bullpup rifle with a 16.1\" barrel, 10rd magazine, AR15 magazine compatibility, and downward shell ejection." "og:image": "https://cdn.kygunco.com/assets/products/137273/thumbnail.jpg?v=1713453477" "og:image:height": "500" "og:image:width": "500" "og:title": "KelTec RDB-S 5.56 Bullpup Rifle, Green/Black" --- > 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) / [Rifles](https://www.kygunco.com/category/shooting/guns/rifles) / [Semi-Auto](https://www.kygunco.com/category/shooting/guns/rifles/semi-auto) / KLT-RDB20GRN ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/137273/main.jpg?v=1713453477) For illustration purposes only, this image may not be an exact representation of the product. # KELTEC RDB-S Survival Bullpup 5.56 NATO 16.1" 10rd Semi-Auot Rifle - AR Mags - Green / Black The KelTec RDB-S is a new 5.56 NATO/.223 Remington bullpup rifle with a 16.1" barrel, 10rd magazine, and compatibility with AR15 magazines. Its downward shell ejection keeps brass and gas out of the shooter’s line of sight while supporting ambidextrous operation. The rifle has a 26.1" overall length, 1:7" twist rate, and 4-pound trigger pull. $807.95 ** 5 interest-free payments of **$161.59** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$144.24**/month 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 # 137273 Style KLT-RDB20GRN UPC 640832005981 Condition New Manufacturer [KelTec](https://www.kygunco.com/brand/keltec) Model RDB Hand Right Hand Finish Black Round Capacity 10 Caliber 5.56 NATO, 223 Rem Action Semi-Auto Barrel Length 16.1 in **Caliber:** .223Rem 5.56x45mm **Weight Unloaded:** 5lbs **Magazine Capacity:** 10 or any AR15 compatible magazine **Overall Length:** 26.1” **Barrel Length:** 16.1” **Twist Rate:** 1:7” **Trigger Pull:** 4lbs The RDB™ is the new definition of bullpup. Its downward shell ejection system eliminates the side ejection disadvantage of ordinary bullpups. The result is brass and gas that eject out of your line of sight making it a truly ambidextrous, high performance rifle for everyone. The RDB is also adjustable for a wide variety of ammunition and makes for an excellent suppressor host. It’s definitely the bullpup done right. ** 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/keltec-rdb20grn-rdb-s-survival-bullpup-223-5.56-16.1-10rd-green#webpage","@type":"WebPage","description":"5.56 NATO/.223 Remington bullpup rifle with a 16.1\" barrel, 10rd magazine, AR15 magazine compatibility, and downward shell ejection.","name":"KelTec RDB-S 5.56 Bullpup Rifle, 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