# Cmmg 5 56 NATO Firearms - Guns For Sale

Browse CMMG 5.56 NATO firearms built around the Mk4 AR platform, including compact Banshee Gen 1 pistols and the Endeavor Mk4 precision rifle. This selection focuses on 5.56 NATO semi-auto options with familiar AR controls, optic-ready setups, and configurations for range use, training, and collection building.

Choose from CMMG Mk4 Banshee pistols with 10.5-inch and 12.5-inch barrels in finishes like grey, tan, black, bronze, tactical green, sniper grey, and tungsten, plus select 30-round models. For a longer-barreled option, the CMMG Endeavor Mk4 18-inch rifle adds a precision-oriented 5.56 NATO choice to the lineup.

## Featured Firearms (36 total)

| Product | Caliber | Price |
|---------|---------|-------|
| [CMMG Resolute MK4 5.56 Tactical Rifle - Precision Black Finish](https://gunsnation.com/p/cmmg-resolute-mk4-5-56-tactical-rifle-precision-black-finish/UCEGGNcFp) | 5.56 NATO | - |
| [CMMG PrecisionPro 5.56 - 22" Bull Barrel Sporting Rifle](https://gunsnation.com/p/cmmg-precisionpro-5-56-22-bull-barrel-sporting-rifle/UCEMWGYl0) | 5.56 NATO | - |
| [CMMG 5.56 NATO Elite MSR - Precision 16" Barrel Rifle](https://gunsnation.com/p/cmmg-5-56-nato-elite-msr-precision-16-barrel-rifle/UCEMWGZXB) | 5.56 NATO | - |
| [CMMG Precision 5.56 - 16" Sporting Rifle](https://gunsnation.com/p/cmmg-precision-5-56-16-sporting-rifle/UCEMWGZVr) | 5.56 NATO | - |
| [CMMG 22" Precision 5.56 Sport Rifle - High Capacity & Accuracy](https://gunsnation.com/p/cmmg-22-precision-5-56-sport-rifle-high-capacity-accuracy/UCEMWGYny) | 5.56 NATO | - |
| [CMMG Endeavor MK4 5.56 NATO Semi-Auto Rifle, 18" Black Cerakote](https://gunsnation.com/p/cmmg-endeavor-mk4-5-56-nato-semi-auto-rifle-18-black-cerakote/UCEGJAh6G) | 5.56 NATO | - |
| [CMMG Dissent AR MK4 5.56 NATO Pistol - Midnight Bronze 6.5" Barrel](https://gunsnation.com/p/cmmg-dissent-ar-mk4-5-56-nato-pistol-midnight-bronze-6-5-barrel/UCEGFyaMk) | 5.56 NATO | - |
| [CMMG Resolute 100 Rifle - 5.56 NATO, Semi-Auto, 30-Round Capacity](https://gunsnation.com/p/cmmg-resolute-100-rifle-5-56-nato-semi-auto-30-round-capacity/UCEN9zbmi) | 5.56 NATO | - |
| [CMMG Banshee Mk4 5.56 NATO 10.5in Midnight Bronze](https://gunsnation.com/p/cmmg-banshee-mk4-5-56-nato-10-5in-midnight-bronze/UCEGJR42Y) | 5.56 NATO | - |
| [CMMG Dissent Mk4 5.56 NATO Pistol - Compact Charcoal Green 6.5"](https://gunsnation.com/p/cmmg-dissent-mk4-5-56-nato-pistol-compact-charcoal-green-6-5/UCEGFyaMQ) | 5.56 NATO | - |
| [CMMG Dissent MK4 5.56 Tactical Carbine, Adjustable Gas & Reversible Handle](https://gunsnation.com/p/cmmg-dissent-mk4-5-56-tactical-carbine-adjustable-gas-reversible-handle/UCEGJAhFM) | 5.56 NATO | - |
| [CMMG Banshee Compact 5.56mm Semi-Auto Rifle, 10.5" Barrel](https://gunsnation.com/p/cmmg-banshee-compact-5-56mm-semi-auto-rifle-10-5-barrel/UCEGJAh7d) | 5.56 NATO | - |
| [CMMG Dissent MK4 5.56 NATO 10.5" Semi-Auto Tactical Pistol](https://gunsnation.com/p/cmmg-dissent-mk4-5-56-nato-10-5-semi-auto-tactical-pistol/UCEGFyam5) | 5.56 NATO | - |
| [CMMG Dissent MK4 Tactical 5.56 NATO Optic-Ready Pistol, Tungsten/Blk](https://gunsnation.com/p/cmmg-dissent-mk4-tactical-5-56-nato-optic-ready-pistol-tungsten-blk/UCEGFyaNF) | 5.56 NATO | - |
| [CMMG Dissent Mk4 5.56 Tactical Pistol - Coyote Tan, 6.5" Barrel](https://gunsnation.com/p/cmmg-dissent-mk4-5-56-tactical-pistol-coyote-tan-6-5-barrel/UCEGFyaMh) | 5.56 NATO | - |
| [CMMG Mk4 RCE 5.56 NATO Rifle with Geissele SSA Trigger](https://gunsnation.com/p/cmmg-mk4-rce-5-56-nato-rifle-with-geissele-ssa-trigger/UCEMWGa9t) | 5.56 NATO | - |
| [CMMG Banshee 200 MK4 5.56 NATO AR Pistol - Compact Tactical Pro](https://gunsnation.com/p/cmmg-banshee-200-mk4-5-56-nato-ar-pistol-compact-tactical-pro/UCEN9zc7q) | 5.56 NATO | - |
| [CMMG Resolute MK4 Tactical 5.56 Rifle - Battle Worn FDE Finish](https://gunsnation.com/p/cmmg-resolute-mk4-tactical-5-56-rifle-battle-worn-fde-finish/UCEGCVSCj) | 5.56 NATO | - |
| [CMMG Resolute 5.56MM Rifle - Precision & Performance](https://gunsnation.com/p/cmmg-resolute-5-56mm-rifle-precision-performance/UCEGJAixk) | 5.56 NATO | - |
| [CMMG Resolute MK4 Tactical Rifle 5.56 NATO - Tungsten Finish](https://gunsnation.com/p/cmmg-resolute-mk4-tactical-rifle-5-56-nato-tungsten-finish/UCEGFyaRD) | 5.56 NATO | - |

*Showing 20 of 36 products*

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