--- title: "Rock River Arms .243 Win Semi-Auto Rifle" description: ".243 Win semi-auto rifle with a 20\" fluted barrel, M-LOK handguard, threaded muzzle, two-stage trigger, six-position stock, and 20rd magazine." canonical_url: "https://www.kygunco.com/product/rock-river-arms-243a1534bt-lar-bt3-predator-hp-243-win-20-w-brake" meta: author: KYGUNCO "og:description": ".243 Win semi-auto rifle with a 20\" fluted barrel, M-LOK handguard, threaded muzzle, two-stage trigger, six-position stock, and 20rd magazine." "og:image": "https://cdn.kygunco.com/assets/products/227397/thumbnail.jpg?v=1712593249" "og:image:height": "500" "og:image:width": "500" "og:title": "Rock River Arms .243 Win Semi-Auto Rifle" --- > 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) / RCK-243A1534BT ![Main product image](https://static.kygunco.com/cdn-cgi/image/f=auto,w=600/assets/products/227397/main.jpg?v=1712593249) For illustration purposes only, this image may not be an exact representation of the product. # ROCK RIVER ARMS LAR-BT3 Predator HP 243 Win 20" 10+1 Semi-Auto Rifle w/ Fluted Barrel - Stainless The Rock River Arms LAR-BT3 Predator HP is a .243 Win semi-automatic rifle with a 20" fluted barrel, 17" lightweight M-LOK free-float handguard, and 5/8x24 threaded muzzle. It includes a two-stage trigger with winter guard, Hogue rubber grip, operator muzzle brake, six-position stock, and a detachable 20-round magazine. $1,748.99 ** 5 interest-free payments of **$349.80** with ![Sezzle logo](https://www.kygunco.com/brands/sezzle.svg) ** ![Credova logo](https://www.kygunco.com/brands/credova.svg) As low as **$214.28**/month with ![Credova text logo](https://www.kygunco.com/brands/credova-text.svg) ** Online In Store [** KYGUNCO Bardstown 401 Glenwood Drive, Bardstown KY](https://www.google.com/maps/dir/?q=place_id:ChIJfwecWCBSaIgRguIjuoPha40) [** KYGUNCO Louisville 2301 Nelson Miller Parkway, Louisville KY](https://www.google.com/maps/dir/?q=place_id:ChIJu1yzo5WZaYgRU5lrq2lQNhI) Item # 227397 Style RCK-243A1534BT UPC 842834125685 Condition New Manufacturer [Rock River Arms](https://www.kygunco.com/brand/rock-river-arms) Model LAR-BT3 Hand Right Hand Finish Black Round Capacity 10 Caliber 243 Win Action Semi-Auto Barrel Length 20 in This semi-automatic rifle from Rock River Arms is chambered for .243 Win with a magazine capacity of 20 rounds. The LAR-BT3 rifle features a barrel length of 20" and reflects the quality firearm craftsmanship expected from Rock River Arms. Shop with KYGUNCO for the best selection, competitive pricing, and exceptional customer service. Experience the difference that comes with buying from a trusted outdoor retailer with over 20 years of experience in the industry. **SPECIFICATIONS** - OTHER FEATURES RRA 17" LIGHTWEIGHT M-LOK FREE FLOAT HANDGUARD. CRYO-TREATED CHROME MOLY STEEL BARREL. RRA HOGUE RUBBER GRIP. RRA TWO STAGE TRIGGER W/WINTER GUARD 5/8X24 THREADED BARREL. RRA OPERATOR MUZZLE BRAKE. ROCK RIVER CASE INCLUDED 6-POSITION STOCK - Height 4.15 - Width 14.5 - Length 39.7 - CALIBER .243 Win - TYPE ACTION SEMI-AUTOMATIC - RATE OF TWIST 1:10" - METAL FINISH COLORED - STOCK MATERIAL SYNTHETIC - BARREL LENGTH IN INCHES 20 - OVERALL LENGTH IN INCHES 39 - MAGAZINE CAPACITY 20 - DETACHABLE MAGAZINE Y - HINGED FLOORPLATE N - SIGHTS N - STOCK COLOR BLACK - WEIGHT IN POUNDS 9.2 - METAL COLOR BLACK - TYPE OF RIFLE MODERN SPORTING RIFLE - CHECKERING N - RECOIL PAD N - SWIVEL STUDS N ** 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-river-arms-243a1534bt-lar-bt3-predator-hp-243-win-20-w-brake#webpage","@type":"WebPage","description":".243 Win semi-auto rifle with a 20\" fluted barrel, M-LOK handguard, threaded muzzle, two-stage trigger, six-position stock, and 20rd magazine.","name":"Rock River Arms .243 Win Semi-Auto 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