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Rock River Arms - AR-15 Parts, Pistol Parts, Muzzle Devices & Other Gun Parts — 220 products / 254 models

Rock River Arms, a trailblazer in the firearms industry, stands out for its precision, quality, and reliability. With a niche in AR-15 rifles and components, Rock River Arms caters to many different types of shooters, from competitive shooters and law enforcement agencies to passionate enthusiasts in search of high-performance firearms. Founded in 1996, Rock River Arms quickly gained recognition for its attention to detail and commitment to producing firearms that meet or exceed military and law enforcement standards. These AR15 parts, such as complete uppers, barrels, triggers, and more, are crafted meticulously, ensuring that each component fits together perfectly, resulting in a durable and accurate product.image

Rock River Arms also offers a comprehensive range of other gun parts and accessories, making it a one-stop shop for firearm enthusiasts. From 9mm pistol barrels to rock-solid BCGs, you're sure to find a premium upgrade to elevate your performance. Shop online at OpticsPlanet.com today for amazing deals on AR triggers, flash hiders, lower parts kits, and other high-quality gun parts from trusted brands like Rock River Arms. Read our Gun Parts Guides for tips on buying the best AR parts for your build and how to upgrade your firearm to maximize your potential. Gear up with us today to get Free Shipping on most orders over $49.

Popular Categories

Image of Gun Parts category Gun Parts
Image of Rifle Parts category Rifle Parts
Image of AR 15 Parts category AR 15 Parts
Image of AR15 Upper Receivers category AR15 Upper Receivers
Image of Rifle Barrels category Rifle Barrels
Image of AR15 Barrels category AR15 Barrels
Image of AR15 Lower Parts category AR15 Lower Parts
Image of Rifle Triggers category Rifle Triggers
Image of Weapon Accessories category Weapon Accessories
Image of Muzzle Devices category Muzzle Devices
Image of AR Triggers category AR Triggers
Image of Muzzle Brakes & Compensators category Muzzle Brakes & Compensators
Image of Flash Hiders category Flash Hiders
Image of Pistol Barrels category Pistol Barrels
Image of Pistol Parts category Pistol Parts
Image of AR15 Upper Parts category AR15 Upper Parts
Image of AR Gas Blocks category AR Gas Blocks
Image of Bolt Carrier Groups category Bolt Carrier Groups
Image of Rifle Handguards category Rifle Handguards
Image of Police & Duty Gear category Police & Duty Gear

220 Products in Rock River Arms

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Image of Rock River Arms National Match A4 .223 Wylde Completed Upper 3 models Rock River Arms National Match A4 .223 Wylde Completed Upper (1) As Low As (Save Up to 22%) $599.99 On Sale
Image of Rock River Arms Coyote Carbine .300 AAC Blackout Completed Upper Rock River Arms Coyote Carbine .300 AAC Blackout Completed Upper List: $810.00 (Save 24%) $618.99 On Sale
Image of Rock River Arms Carbine SS .350 Legend Completed Upper Rock River Arms Carbine SS .350 Legend Completed Upper (4) List: $655.00 (Save $60.01) $594.99
Image of Rock River Arms National Match A4 Competition .223 Wylde Completed Upper 2 models Rock River Arms National Match A4 Competition .223 Wylde Completed Upper (3) As Low As (Save Up to 19%) $639.99
Image of Rock River Arms Coyote Rifle .223 Wylde Completed Upper Rock River Arms Coyote Rifle .223 Wylde Completed Upper (4) List: $655.00 (Save 10%) $589.99
Image of Rock River Arms R3 Competition .223 Wylde Completed Upper Rock River Arms R3 Competition .223 Wylde Completed Upper (1) List: $715.00 (Save $65.01) $649.99
Image of Rock River Arms A4 Varmint .223 Wylde Completed Upper 5 models Rock River Arms A4 Varmint .223 Wylde Completed Upper (5) As Low As (Save Up to 11%) $569.99 Best Rated
Image of Rock River Arms Two Stage Match AR-15/AR-10 Trigger Kit Rock River Arms Two Stage Match AR-15/AR-10 Trigger Kit (9) List: $133.99 (Save 29%) $95.79 Best Rated
Image of Rock River Arms National Match A2 .223 Wylde Completed Upper Rock River Arms National Match A2 .223 Wylde Completed Upper (1) List: $850.00 (Save 11%) $759.99
Image of Rock River Arms A4 .450 Bushmaster Completed Upper 2 models Rock River Arms A4 .450 Bushmaster Completed Upper (5) As Low As (Save $60.01) $579.99
Image of Rock River Arms Carbine .350 Legend Completed Upper Rock River Arms Carbine .350 Legend Completed Upper List: $655.00 (Save 10%) $589.99
Image of Rock River Arms Entry Tactical .223/5.56mm Completed Upper Rock River Arms Entry Tactical .223/5.56mm Completed Upper List: $630.00 (Save 14%) $539.99
Image of Rock River Arms Tactical Carbine .22 Long Rifle Completed Upper Rock River Arms Tactical Carbine .22 Long Rifle Completed Upper (2) List: $540.00 (Save $40.01) $499.99
Image of Rock River Arms .223 Wylde 20in STD SS NM Threaded Barrel Assembly Rock River Arms .223 Wylde 20in STD SS NM Threaded Barrel Assembly List: $275.00 (Save $9.01) $265.99
Image of Rock River Arms 9mm Luger 10.5in CL Pistol Threaded Barrel Assembly Rock River Arms 9mm Luger 10.5in CL Pistol Threaded Barrel Assembly (4) List: $365.99 (Save 22%) $285.99 Free 2 Day Shipping
Image of Rock River Arms National Match A4 Half .22 Long Rifle Completed Upper Rock River Arms National Match A4 Half .22 Long Rifle Completed Upper (2) List: $670.00 (Save $60.01) $609.99
Image of Rock River Arms A4 .223/5.56mm Completed Pistol Upper 7 models Rock River Arms A4 .223/5.56mm Completed Pistol Upper As Low As (Save Up to 16%) $429.99
Image of Rock River Arms Two Stage Varmint Trigger Kit Rock River Arms Two Stage Varmint Trigger Kit (14) List: $95.00 (Save $1.21) $93.79 Best Rated
Image of Rock River Arms .243 Winchester 20in SS Fluted Threaded Barrel Rock River Arms .243 Winchester 20in SS Fluted Threaded Barrel List: $449.99 (Save 22%) $349.99
Image of Rock River Arms Mid-Length A4 .450 Bushmaster Completed Upper Rock River Arms Mid-Length A4 .450 Bushmaster Completed Upper (1) List: $705.00 (Save $65.01) $639.99
Image of Rock River Arms ATH V2 .223 Wylde Completed Upper Rock River Arms ATH V2 .223 Wylde Completed Upper List: $685.00 (Save $65.01) $619.99
Image of Rock River Arms Coyote Carbine .223/5.56mm Completed Upper Rock River Arms Coyote Carbine .223/5.56mm Completed Upper List: $610.00 (Save $50.01) $559.99
Image of Rock River Arms National Match A4 Competition Trainer .22 Long Rifle Completed Upper Rock River Arms National Match A4 Competition Trainer .22 Long Rifle Completed Upper List: $750.00 (Save $70.01) $679.99
Image of Rock River Arms .223 Hunter Muzzle Brake Rock River Arms .223 Hunter Muzzle Brake List: $135.00 (Save 11%) $119.49 Blazin' Deal
Image of Rock River Arms Predator Pursuit .223 Wylde Completed Upper 2 models Rock River Arms Predator Pursuit .223 Wylde Completed Upper (2) As Low As (Save Up to $55.01) $579.99
Image of Rock River Arms National Match Ultra Varmint Two Stage Trigger Kit Rock River Arms National Match Ultra Varmint Two Stage Trigger Kit (2) List: $150.00 (Save $5.21) $144.79
Image of Rock River Arms Two Stage Match Chrome Trigger Kit Rock River Arms Two Stage Match Chrome Trigger Kit (1) List: $140.00 (Save $2.01) $137.99
Image of Rock River Arms .223 Wylde 24in SS Varmint Fluted Threaded Barrel Rock River Arms .223 Wylde 24in SS Varmint Fluted Threaded Barrel List: $449.99 (Save 20%) $359.99
Image of Rock River Arms .223 Wylde 20in STD SS Threaded Barrel Assembly Rock River Arms .223 Wylde 20in STD SS Threaded Barrel Assembly List: $365.99 (Save 21%) $289.99
Image of Rock River Arms 9mm Luger 10.5in CL Pistol Threaded Barrel Rock River Arms 9mm Luger 10.5in CL Pistol Threaded Barrel List: $305.99 (Save 18%) $249.99
Image of Rock River Arms 5.56x45mm NATO 10.5in CL Threaded Full Auto Barrel Rock River Arms 5.56x45mm NATO 10.5in CL Threaded Full Auto Barrel List: $299.99 (Save 20%) $239.99
Image of Rock River Arms 5.56x45mm NATO 16in CAR CM Threaded Barrel Assembly Rock River Arms 5.56x45mm NATO 16in CAR CM Threaded Barrel Assembly List: $225.00 (Save $5.01) $219.99
Image of Rock River Arms 20in Predator HP Upper V2 Rock River Arms 20in Predator HP Upper V2 List: $1,000.00 (Save 10%) $899.99
Image of Rock River Arms .223 Wylde 20in STD CM Threaded Barrel Rock River Arms .223 Wylde 20in STD CM Threaded Barrel List: $219.99 (Save $20.00) $199.99
Image of Rock River Arms Tactical Carbine .458 SOCOM Completed Upper Rock River Arms Tactical Carbine .458 SOCOM Completed Upper List: $899.99 (Save 12%) $789.99
Image of Rock River Arms FESP .223 Wylde Completed Upper Rock River Arms FESP .223 Wylde Completed Upper List: $805.00 (Save $65.01) $739.99
Image of Rock River Arms .458 A2 Flash Hider Rock River Arms .458 A2 Flash Hider List: $57.99 (Save 14%) $49.99
Image of Rock River Arms Varmint A4 .308/7.62X51mm NATO Completed Upper Rock River Arms Varmint A4 .308/7.62X51mm NATO Completed Upper List: $775.00 (Save $65.01) $709.99
Image of Rock River Arms Mountain Pistol 10.5in Upper Rock River Arms Mountain Pistol 10.5in Upper List: $570.00 (Save $33.01) $536.99
Image of Rock River Arms Predator HP A4 .308/7.62X51mm NATO Completed Upper 2 models Rock River Arms Predator HP A4 .308/7.62X51mm NATO Completed Upper As Low As (Save Up to 15%) $859.99
Image of Rock River Arms X-1 .308/7.62X51mm Completed Upper 2 models Rock River Arms X-1 .308/7.62X51mm Completed Upper As Low As (Save Up to 10%) $849.99
Image of Rock River Arms Elite Carbine A4 .223/5.56mm Completed Upper Rock River Arms Elite Carbine A4 .223/5.56mm Completed Upper List: $580.00 (Save $40.01) $539.99
Image of Rock River Arms Mid-Length A4 .308/7.62X51mm NATO Completed Upper Rock River Arms Mid-Length A4 .308/7.62X51mm NATO Completed Upper (1) List: $620.00 (Save $50.01) $569.99
Image of Rock River Arms A4 9MM Luger Completed Upper 4 models Rock River Arms A4 9MM Luger Completed Upper (1) As Low As (Save Up to $50.01) $429.99
Image of Rock River Arms X-1 .223 Wylde Completed Upper 2 models Rock River Arms X-1 .223 Wylde Completed Upper (2) As Low As (Save Up to 15%) $699.99
Image of Rock River Arms BT-3 Completed Upper Receiver 4 models Rock River Arms BT-3 Completed Upper Receiver As Low As (Save Up to 10%) $899.99
Image of Rock River Arms CLB .458 SOCOM Completed Upper Rock River Arms CLB .458 SOCOM Completed Upper List: $865.00 (Save $65.01) $799.99
Image of Rock River Arms RRAGE 3G .223/5.56mm Completed Upper Rock River Arms RRAGE 3G .223/5.56mm Completed Upper List: $649.99 (Save 17%) $539.99
Image of Rock River Arms Carbine A4 9MM Luger Completed Upper Rock River Arms Carbine A4 9MM Luger Completed Upper List: $470.00 (Save $35.51) $434.49
Image of Rock River Arms Carbine .223/5.56mm Completed Upper w/Gas Block Rock River Arms Carbine .223/5.56mm Completed Upper w/Gas Block List: $460.00 (Save $40.01) $419.99
Image of Rock River Arms Mid-Length A4 9MM Luger Completed Upper Rock River Arms Mid-Length A4 9MM Luger Completed Upper List: $470.00 (Save $40.01) $429.99
Image of Rock River Arms .223 Tactical Muzzle Brake Rock River Arms .223 Tactical Muzzle Brake List: $51.99 (Save $3.00) $48.99
Image of Rock River Arms Left Handed RRAGE 2G .223/5.56mm Completed Upper 2 models Rock River Arms Left Handed RRAGE 2G .223/5.56mm Completed Upper As Low As (Save Up to 10%) $419.99
Image of Rock River Arms .223 Wylde 24in SS Varmint Fluted Threaded Barrel Assembly Rock River Arms .223 Wylde 24in SS Varmint Fluted Threaded Barrel Assembly List: $370.00 $369.99
Image of Rock River Arms 20in SS Varmint 1-8 Non Threaded Barrel Rock River Arms 20in SS Varmint 1-8 Non Threaded Barrel List: $365.99 (Save 21%) $289.99
Image of Rock River Arms 24in SS Varmint 1-8 Non Threaded Barrel Assembly w/Gas Blk Rock River Arms 24in SS Varmint 1-8 Non Threaded Barrel Assembly w/Gas Blk List: $330.00 $329.99
Image of Rock River Arms .243 Winchester 20in SS Fluted Non-Threaded Rifle Barrel Rock River Arms .243 Winchester 20in SS Fluted Non-Threaded Rifle Barrel List: $449.99 (Save 22%) $349.99
Image of Rock River Arms .223 Wylde 16in Mid SS Fluted Non Threaded Rifle Barrel Rock River Arms .223 Wylde 16in Mid SS Fluted Non Threaded Rifle Barrel List: $365.99 (Save 21%) $289.99
Image of Rock River Arms 5.56x45mm NATO 10.5in CL Threaded Full Auto Barrel Assembly Rock River Arms 5.56x45mm NATO 10.5in CL Threaded Full Auto Barrel Assembly (2) List: $359.99 (Save 22%) $279.99
Image of Rock River Arms 5.56x45mm NATO 16in Mid LTWT CL Threaded Barrel Assembly Rock River Arms 5.56x45mm NATO 16in Mid LTWT CL Threaded Barrel Assembly List: $359.99 (Save 22%) $279.99
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Rock River Arms How To Guides View All

What Are the Best Gunsmithing Tools for an AR15? by Corey F.
A Guide to AR15 Slings by Corey F.
4 Most Common AR15 Issues & How to Fix Them by Corey F.
Are Pistol Red Dots Worth the Money? by Brett R.
Rock River Arms Product Lines

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