# Colt M 4 - Guns For Sale

The Colt M4 is a highly reliable, lightweight, and versatile carbine widely recognized as the standard-issue rifle for U.S. military forces. Chambered in 5.56x45mm NATO, the M4 is a shorter and more compact variant of the M16 rifle, designed for modern combat scenarios requiring both maneuverability and firepower. Its 14.5-inch barrel makes it well-suited for close-quarters combat while still offering effective performance at mid-range distances.

The M4 features a gas-operated, direct impingement system with a rotating bolt, ensuring smooth cycling and consistent reliability in a variety of environments. Its modular design includes a flat-top Picatinny rail, allowing users to easily attach optics, lasers, lights, and other tactical accessories to adapt to mission-specific requirements. The adjustable six-position stock enhances comfort and usability for shooters of different sizes and for varying tactical situations.

Known for its accuracy, the Colt M4 excels in delivering controlled, precise shots, supported by a crisp trigger pull. The rifle’s lightweight yet durable construction makes it easy to carry over extended periods, a critical advantage in field operations. Trusted by military and law enforcement agencies worldwide, the Colt M4 remains a benchmark for modern carbines, blending combat-proven performance with adaptability and advanced design features.

## Featured Firearms (13 total)

| Product | Caliber | Price |
|---------|---------|-------|
| [Walther Colt M4 .22 LR Semi-Auto Rifle, 30-Round Capacity](https://gunsnation.com/p/walther-colt-m4-22-lr-semi-auto-rifle-30-round-capacity/UCCjaET5H) | .22 LR | - |
| [Colt M45A1 Marine Tactical .45 ACP Pistol with Novak Night Sights](https://gunsnation.com/p/colt-m45a1-marine-tactical-45-acp-pistol-with-novak-night-sights/UC1jHmnzQ) | .45 ACP | - |
| [Colt M4 Carbine - 5.56mm NATO Semi-Auto Tactical Rifle](https://gunsnation.com/p/colt-m4-carbine-5-56mm-nato-semi-auto-tactical-rifle/UC1jHmhvQ) | 5.56 NATO | - |
| [Colt M4 Tactical Carbine .223/5.56mm - Advanced Performance Rifle](https://gunsnation.com/p/colt-m4-tactical-carbine-223-5-56mm-advanced-performance-rifle/UC1jHmhvh) | .223 Remington | - |
| [Colt M4 FPB Gen 2 Semi-Auto 5.56 Rifle, 16.1" Barrel, Black Anodized](https://gunsnation.com/p/colt-m4-fpb-gen-2-semi-auto-5-56-rifle-16-1-barrel-black-anodized/UC1jHmiLj) | 5.56 NATO | - |
| [Colt M4 Carbine 9mm - Lightweight Tactical Semi-Auto Rifle](https://gunsnation.com/p/colt-m4-carbine-9mm-lightweight-tactical-semi-auto-rifle/UC1jHmixB) | 9mm | - |
| [Colt M4 Carbine .223 Remington Semi-Auto Rifle - Precision Pro](https://gunsnation.com/p/colt-m4-carbine-223-remington-semi-auto-rifle-precision-pro/UC1jHmiAt) | .223 Remington | - |
| [Colt M4 Carbine - 5.56 NATO, 16" Semi-Auto Rifle, Matte Black](https://gunsnation.com/p/colt-m4-carbine-5-56-nato-16-semi-auto-rifle-matte-black/UC1jHmj1F) | 5.56 NATO | - |
| [Colt M4 AR-15 Carbine 5.56 NATO 16" Semi-Auto Rifle](https://gunsnation.com/p/colt-m4-ar-15-carbine-5-56-nato-16-semi-auto-rifle/UC1jHmiAA) | 5.56 NATO | - |
| [Colt M4 Carbine MPS 5.56 NATO Semi-Auto Rifle, 16.1" FDE](https://gunsnation.com/p/colt-m4-carbine-mps-5-56-nato-semi-auto-rifle-16-1-fde/UC1jHmj3q) | 5.56 NATO | - |
| [Colt M4 Carbine Semi-Auto 7.62x39mm Rifle - Matte Black](https://gunsnation.com/p/colt-m4-carbine-semi-auto-7-62x39mm-rifle-matte-black/UC1jHn74r) | 7.62X39 | - |
| [Colt M4A1 SOCOM: 5.56 NATO Semi-Auto, Black, Adjustable Stock](https://gunsnation.com/p/colt-m4a1-socom-5-56-nato-semi-auto-black-adjustable-stock/UC1jHmhxW) | 5.56 NATO | - |
| [Colt M4 CR6920 Semi-Auto 5.56 NATO Rifle - Tactical Black](https://gunsnation.com/p/colt-m4-cr6920-semi-auto-5-56-nato-rifle-tactical-black/UC1jHmj0r) | 5.56 NATO | - |

## Related Tags

- [Concealed Carry](https://gunsnation.com/t/concealed-carry)
- [Home Defense](https://gunsnation.com/t/home-defense)
- [Tactical](https://gunsnation.com/t/tactical)
- [Hunting](https://gunsnation.com/t/hunting)
- [Optic-Ready](https://gunsnation.com/t/optic-ready)
- [Best 9mm Handguns](https://gunsnation.com/t/best-9mm-handguns)
- [Military Classic](https://gunsnation.com/t/military-classic)
- [Match Pistols](https://gunsnation.com/t/match-pistols)

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