# Mountain Bill Gun Lab GOAT-15 Helium .22 LR 16in

**Brand:** Mountain Bill Gun Lab
**Category:** Rifles
**Caliber:** .22 LR

## Specifications

- **Caliber:** .22 LR
- **Barrel Length:** 16"
- **Finish:** Black
- **UPC:** 850022225772
- **SKU:** UCExpudHY

## Description

The Mountain Bill Gun Lab GOAT-15 Helium is a semi-automatic .22 LR rifle built on a lightweight all-polymer upper and lower. It pairs a 16-inch chrome moly vanadium barrel with a 7-position adjustable stock and a hi-capacity 10-round magazine. The rifle ships with a threaded muzzle and a full-length Picatinny top rail with M-LOK slots for mounting optics and accessories.

### Key Specifications
- **Brand:** Mountain Bill Gun Lab
- **Model:** GOAT-15 Helium
- **Caliber:** .22 LR
- **Action:** Semi Auto
- **Capacity:** 10+1
- **Barrel Length:** 16 in
- **Weight:** 2.14 lbs
- **Barrel Material:** Chrome Moly Vanadium
- **Finish:** Black

### Detailed Features
- Threaded barrel (1/2x28) accepts a suppressor or muzzle device
- Picatinny top rail with M-LOK handguard for optics and accessories, no sights included
- 7-position adjustable buttstock for length of pull
- 1:16 right-hand twist barrel
- Includes a 10-round magazine along with a 1-round magazine

## What Customers Say

*AI-generated insights from customer reviews*

Owners of lightweight polymer .22 LR rifles like the GOAT-15 Helium tend to like how little they weigh on a sling or in a pack. Because the receiver is polymer instead of aluminum, some shooters note the trigger and internals feel less refined than a traditional rimfire AR, though most treat that as an acceptable trade for the reduced weight.

As a compact semi-auto trainer, this style of rifle gets used for plinking, small-game hunting, and steel challenge style shooting. The 7-position adjustable stock and Picatinny/M-LOK rail make it easy to dial in fit and add a red dot, which owners generally appreciate since no sights ship with the gun.

Value is usually the selling point. Ammunition is cheap, the hi-cap magazine keeps range trips efficient, and the threaded barrel opens up suppressor use for backyard shooting without disturbing neighbors. The common complaint with ultra-light rimfire guns in general is a mag or feed hiccup here and there, so owners recommend a break-in period before trusting it for serious use.

## Pricing

**5 offers available**

| Vendor | Price |
|--------|-------|
| Impactguns Com | $419.39 |
| Buds Gun Shop | $430.99 |
| Globalordnance Com | $444.00 |
| Centerfiresystems Com | $444.99 |
| Deguns | $446.99 |

## Similar Products

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- [Mountain Billy Gun Goat-15 Helium .22 LR 16in Black](https://gunsnation.com/p/mountain-billy-gun-goat-15-helium-22-lr-16in-black/UCExpud9B)
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*Data from [GunsNation](https://gunsnation.com)*