# Sig Sauer MCX-Spear .308 Win Tactical Rifle - Coyote Tan

**Brand:** SIG Sauer
**Category:** Semi-Automatic Rifles
**Caliber:** 7.62x51 NATO

## Specifications

- **Caliber:** 7.62x51 NATO
- **Barrel Length:** 16"
- **Capacity:** 20 rounds
- **Finish:** Black
- **Weight:** 147.2 oz
- **Overall Length:** 38.3"
- **UPC:** 798681674022
- **SKU:** UCE3nOuSE

## Description

The Sig Sauer MCX-Spear 16B is a semi-automatic rifle chambered in .308 Win / 7.62x51mm NATO. The 16-inch barrel, two-position adjustable gas valve, curved match trigger, and six-position telescoping folding stock combine in a Coyote Tan anodized package weighing 9.2 lbs with 20+1 capacity.

### Key Specifications
- **Brand:** Sig Sauer
- **Model:** MCX-Spear 16B
- **Caliber:** .308 Win / 7.62x51mm NATO
- **Action Type:** Semi-Automatic
- **Barrel Length:** 16 inches
- **Capacity:** 20+1 rounds
- **Weight:** 9.2 lbs (unloaded)
- **Finish:** Anodized Coyote Tan

### Detailed Features

The two-position adjustable gas valve lets you tune the rifle for standard or suppressed use, and for different ammunition loads. That flexibility matters for a .308 platform where load pressure varies significantly. The curved match trigger is a meaningful upgrade from standard mil-spec triggers: lighter break, cleaner reset.

The M-Lok free-float handguard has a full-length Picatinny rail on top and attachment points along the sides and bottom for lights, grips, or other accessories without adding a bulky rail section. The six-position telescoping folding stock makes the rifle compact enough to transport in a case that would normally accommodate only shorter carbines.

At 9.2 lbs, the MCX-Spear 16B is toward the heavier end of the .308 semi-auto category, but that weight helps manage recoil from the full-power cartridge.

## Frequently Asked Questions

**Q: What caliber is the MCX Spear?**

A: The MCX Spear is chambered in .308 Win / 7.62x51mm NATO.

**Q: Who makes the MCX Spear?**

A: The MCX Spear is made by Sig Sauer.

**Q: What is the barrel length of the MCX Spear?**

A: It has a 16-inch barrel.

**Q: How many rounds does the MCX Spear hold?**

A: It has a 20+1 capacity.

**Q: What type of firearm is the MCX Spear?**

A: The MCX Spear is a semi-automatic rifle with a six-position telescoping folding stock and M-Lok free-float handguard.

**Q: Where can I buy the MCX Spear?**

A: Compare current vendor offers on this page.

## What Reviewers Say

*Quoted verbatim from YouTube reviews. Each link opens the video at the moment quoted.*

> Ergonomics are really good you got to remember this is a military application rifle so the ability to reach everybody over a wide group of different sizes is going to be important.
>
> — [Pew Pew Tactical](https://www.youtube.com/watch?v=fthACHN3toU&t=114s)

> Pretty good resistance right here and there's a definite wall.
>
> — [Pew Pew Tactical](https://www.youtube.com/watch?v=fthACHN3toU&t=222s)

> It handles The Recoil very well on suppressed with the gas system adjusted it's heating it up just fine sound is good it's significantly reduced The Recoil is definitely pretty easy to handle.
>
> — [Pew Pew Tactical](https://www.youtube.com/watch?v=fthACHN3toU&t=466s)

> The overall characteristics are great it really tames it Down The Recoil is fine the sound is fine but I'm getting quite a bit of blowback.
>
> — [Pew Pew Tactical](https://www.youtube.com/watch?v=fthACHN3toU&t=547s)

> The only issue that we had one failure to feed while running a suppressor but again I want to point out that wasn't Sig's suppressor that was a different suppressor.
>
> — [Pew Pew Tactical](https://www.youtube.com/watch?v=fthACHN3toU&t=597s)

## What Customers Say

*AI-generated insights from customer reviews*

The MCX-Spear .308 in Coyote Tan gets positive feedback for build quality, ergonomics, and the adjustable gas system. Owners who run suppressors particularly value the two-position gas valve. The match trigger draws favorable comments from shooters focused on precision work.

Weight is the most common point of contention. 9.2 lbs unloaded is on the heavy side for a 16-inch rifle, and some buyers compare it against lighter competing options. Price is the other consistent concern; the MCX-Spear sits at the top of the .308 semi-auto market, which leads to ongoing comparisons with platforms that cost less. Aftermarket support is growing but still trails standard AR-10 pattern rifles.

## Pricing

**16 offers available**

| Vendor | Price |
|--------|-------|
| Gunbuyer Com | $3999.99 |
| Brownells | $3999.99 |
| RK Guns | $3999.99 |
| Guns Com | $3999.99 |
| Kygunco Com | $3999.99 |
| Buds Gun Shop | $3999.99 |
| Grabagun Com | $3999.99 |
| Ar 15 Discounts Com | $3999.99 |
| Shootingsurplus Com | $3999.99 |
| Selwayarmory Com | $3999.99 |

*...and 6 more offers*

## Reviews

**Average Rating:** 5.0/5 (1 reviews)

> **walt305** (5/5): The construction feels excellent, with no rattles or pointless extras. Ambidextrous controls are easy to reach, and the left-side charging handle lets me run the action without changing my grip or pos...

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