# Primary Weapons Systems MK118 Mod 2-M 6mm ARC 18in Black

**Brand:** Primary Weapons
**Category:** AR Style Rifles
**Caliber:** 6mm ARC

## Specifications

- **Caliber:** 6mm ARC
- **Barrel Length:** 18"
- **UPC:** 811154033109
- **SKU:** UCEHPTeoH

## Description

The Primary Weapons Systems MK118 Mod 2-M is a semi-automatic rifle chambered in 6mm ARC with an 18-inch barrel. It includes the FRC 2-port muzzle device and has a 15-round capacity. The stock is black synthetic.

### Key Specifications
- **Brand**: Primary Weapons Systems
- **Model**: MK118 Mod 2-M
- **Caliber**: 6mm ARC
- **Action**: Semi Auto
- **Capacity**: 15
- **Barrel Length**: 18 in
- **Color/Finish**: Black

### Detailed Features
- Semi-automatic platform in 6mm ARC
- 18-inch barrel
- FRC 2-port muzzle device included
- 15-round capacity
- Black synthetic stock

## Frequently Asked Questions

**Q: What caliber is the MK118 Mod 2-M?**

A: The MK118 Mod 2-M is chambered in 6mm ARC.

**Q: Who makes the MK118 Mod 2-M?**

A: The MK118 Mod 2-M is made by Primary Weapons Systems.

**Q: What type of firearm is the MK118 Mod 2-M?**

A: It is a semi-automatic AR style rifle.

**Q: What is the barrel length of the MK118 Mod 2-M?**

A: The MK118 Mod 2-M has an 18-inch barrel.

**Q: How many rounds does the MK118 Mod 2-M hold?**

A: It has a 15-round capacity.

**Q: What muzzle device comes with the MK118 Mod 2-M?**

A: The MK118 Mod 2-M includes an FRC 2-port muzzle device.

**Q: Where can I buy the MK118 Mod 2-M?**

A: Compare current vendor offers on this page.

## What Customers Say

*AI-generated insights from customer reviews*

Owners of the MK118 Mod 2-M frequently mention the piston system's reliability under extended use. The 6mm ARC chambering is a common reason buyers choose this platform, with most noting the improved terminal performance at range compared to standard 5.56 builds.

The FRC muzzle device generates consistent discussion. Shooters who keep it on report reduced muzzle rise and acceptable report; those who swap to a suppressor or preferred comp say the system accommodates both without issue. Ergonomics on the Mod 2-M get broadly positive marks, particularly around the handguard fit.

PWS rifles carry a premium over standard AR-pattern builds, and buyers are generally aware of that going in. Long-term owners consider the build quality worth the price. The recurring caveat is that the out-of-box trigger is functional but not exceptional, and most owners budget for an upgrade.

## Pricing

**6 offers available**

| Vendor | Price |
|--------|-------|
| Grabagun Com | $2059.99 |
| Guns Com | $2070.99 |
| Buds Gun Shop | $2199.95 |
| Impactguns Com | $2199.95 |
| Shootingsurplus Com | $2199.95 |
| Primaryarms Com | $2199.95 |

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