# Rock River Arms 5 56 NATO Firearms - Guns For Sale

Explore Rock River Arms 5.56 NATO Firearms built around the LAR-15 platform, including tactical pistols, carbines, semi-auto rifles, SBR configurations, precision DMR models, and upper assemblies. Options span 10.5-inch compact barrels, 16-inch tactical setups, 18-inch precision builds, and 20-inch match-oriented rifles in black and tan finishes.

This catalog tag brings together RRAGE, Operator ETR, Assurance-M, NM A4, X-1, and LAR-15M models chambered in 5.56 NATO, .223 Remington, or .223 Wylde. Compare compact tactical formats, match trigger rifles, precision uppers, and general-purpose AR-style firearms from Rock River Arms.

## Featured Firearms (29 total)

| Product | Caliber | Price |
|---------|---------|-------|
| [Rock River LAR: 5.56 NATO Semi-Auto Rifle - Lightweight & Versatile](https://gunsnation.com/p/rock-river-lar-5-56-nato-semi-auto-rifle-lightweight-versatile/UCEpzS4IT) | 5.56 NATO | - |
| [Rock River LAR-15M R3 Gen 2: Precision Competition 5.56 Rifle](https://gunsnation.com/p/rock-river-lar-15m-r3-gen-2-precision-competition-5-56-rifle/UCEpzRzrR) | 5.56 NATO | - |
| [Rock River Arms RRAGE 5.56 NATO 7in Black](https://gunsnation.com/p/rock-river-arms-rrage-5-56-nato-7in-black/UCEpzS5Uk) | 5.56 NATO | - |
| [RRA LAR-15 Tactical - 5.56mm Semi-Auto Rifle, 16" Barrel, A2 Flash](https://gunsnation.com/p/rra-lar-15-tactical-5-56mm-semi-auto-rifle-16-barrel-a2-flash/UCEpzS1Vy) | 5.56 NATO | - |
| [RRA LAR-15 5.56 NATO Semi-Auto Rifle - Precision Black 16"](https://gunsnation.com/p/rra-lar-15-5-56-nato-semi-auto-rifle-precision-black-16/UCEpzS1Wr) | 5.56 NATO | - |
| [Rock River LAR-15M DMR 5.56 NATO Rifle - Precision Tactical Power](https://gunsnation.com/p/rock-river-lar-15m-dmr-5-56-nato-rifle-precision-tactical-power/UCEpzS4kK) | 5.56 NATO | - |
| [RRA LAR-15M Assurance-UTE Carbine, 5.56 NATO, 16" Barrel](https://gunsnation.com/p/rra-lar-15m-assurance-ute-carbine-5-56-nato-16-barrel/UCEpzRzeH) | 5.56 NATO | - |
| [LAR-15M Operator ETR 5.56 NATO Tactical Semi-Auto Rifle](https://gunsnation.com/p/lar-15m-operator-etr-5-56-nato-tactical-semi-auto-rifle/UCEpzS68S) | 5.56 NATO | - |
| [Rock River Arms LAR-15 .223 Remington/5.56 NATO 10.5in Black](https://gunsnation.com/p/rock-river-arms-lar-15-223-remington-5-56-nato-10-5in-black/UCEpzS1b2) | 5.56 NATO | - |
| [LAR-15 RRage Gen2 Tactical Rifle 5.56 NATO/.223 Rem 16" - Black](https://gunsnation.com/p/lar-15-rrage-gen2-tactical-rifle-5-56-nato-223-rem-16-black/UCEpzS5un) | 5.56 NATO | - |
| [LAR-15 Tactical: Lightweight 5.56 NATO Semi-Auto Rifle, 16" Barrel](https://gunsnation.com/p/lar-15-tactical-lightweight-5-56-nato-semi-auto-rifle-16-barrel/UCEpzS1al) | 5.56 NATO | - |
| [Rock River LAR-15: 5.56 NATO Semi-Auto Rifle, 30-Round Capacity](https://gunsnation.com/p/rock-river-lar-15-5-56-nato-semi-auto-rifle-30-round-capacity/UCEpzS1Wy) | 5.56 NATO | - |
| [Rock River Arms Versatile 5.56 NATO Carbine - Tan/Black](https://gunsnation.com/p/rock-river-arms-versatile-5-56-nato-carbine-tan-black/UCEpzRzg6) | 5.56 NATO | - |
| [Rock River Arms CAR A4 Elite Rifle - 5.56 NATO, 30-Round Capacity](https://gunsnation.com/p/rock-river-arms-car-a4-elite-rifle-5-56-nato-30-round-capacity/UCEpzS1ae) | 5.56 NATO | - |
| [Rock River Arms LH CAR A4 5.56 NATO Semi-Auto Rifle - Precision Black](https://gunsnation.com/p/rock-river-arms-lh-car-a4-5-56-nato-semi-auto-rifle-precision-black/UCEpzS1zb) | 5.56 NATO | - |
| [Rock River LAR-15 Lite 5.56 NATO Semi-Auto Rifle](https://gunsnation.com/p/rock-river-lar-15-lite-5-56-nato-semi-auto-rifle/UCEpzS22H) | 5.56 NATO | - |
| [Rock River Arms LAR-15 R3 Competition 5.56 NATO 18in](https://gunsnation.com/p/rock-river-arms-lar-15-r3-competition-5-56-nato-18in/UCEpzS1Zm) | 5.56 NATO | - |
| [Rock River LAR-15 RRAGE 3G 5.56 NATO Semi-Auto Rifle - Versatile Black](https://gunsnation.com/p/rock-river-lar-15-rrage-3g-5-56-nato-semi-auto-rifle-versatile-black/UCEpzS3du) | 5.56 NATO | - |
| [Rock River LAR-15 LH - 5.56 NATO Precision Semi-Auto Rifle](https://gunsnation.com/p/rock-river-lar-15-lh-5-56-nato-precision-semi-auto-rifle/UCEpzRzWW) | 5.56 NATO | - |
| [Rock River Arms LAR-15 Operator ATR Carbine 5.56 NATO 16in Black](https://gunsnation.com/p/rock-river-arms-lar-15-operator-atr-carbine-5-56-nato-16in-black/UCEpzS6F4) | 5.56 NATO | - |

*Showing 20 of 29 products*

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*Data from [GunsNation](https://gunsnation.com)*