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Mountain Billy GOAT-15 Helium .22 Lr 16" Barrel 10 Round
Our editorial team reviews specifications, product data, and field-use information to keep pages accurate.
$439.99
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SKU: MBGL-GOAT15-TB-1-850022225253
Overview
Built for hunters and outdoor users who want a compact .22 LR platform, this firearm combines a 16" barrel with a lightweight profile and a modern sporting rifle layout. It ships with a 1-round and 10-round magazine, uses a blow back, single-shot, semi-automatic action, and includes a patented tamper-resistant safety. The adjustable 7-position buttstock, standard Picatinny rail with M-Lok, and threaded 1/2-28 barrel make it adaptable for range use or field carry, while the lack of included sights means an optic setup will need to be added. Its polymer upper and lower help keep the package light, but buyers should note the compact build is paired with a minimalist sighting configuration.
Why Hunters Choose the Mountain Billy Gun Lab
Compact .22
LR platform designed for portability
Light Unloaded
Weight of 2 lbs 14
Ships Both
Both 1-round and 10-round magazines
7-position Adjustable
Buttstock helps tailor fit to
Standard Picatinny
M-Lok buttstock supports accessory mounting
Key Features
- .22 long rifle firearm with a 16-inch barrel and 10-round magazine capacity
- Functions like a modern sporting rifle with blow back, single-shot, and semi-automatic action
- Patented tamper-resistant safety included
- Ships with one-round and 10-round magazines
- Standard Picatinny rail with M-Lok and a 7-position adjustable buttstock
- Sight not included; red dot recommended
Best Used For
- Hunters wanting a compact .22 LR option for light field use and easy carry
- Shooters who prefer a semi-automatic platform with a patented tamper-resistant safety
- Users needing an adjustable setup for different shooting positions and fit preferences
- Outdoor enthusiasts looking for a lightweight firearm with included 1-round and 10-round magazines
- Anyone planning to add a red dot to a platform with a standard Picatinny rail
Specifications
| Action | Blow Back, Single Shot, Semi-Automatic |
|---|---|
| Barrel Length | 16" |
| Barrel Material | CMV Steel |
| Barrel Twist | 1:16 Right Hand Twist |
| Buttstock | 7 Position Adjustable |
| Cartridge | .22 Cal |
| Lower | Polymer |
| Magazine | Ships with 1 Rd and 10 Rd |
| Overall Size | 27.75" - 30.75" (Fully Extended) |
| Rail | Standard Picatinny Rail With M-Lok |
| Safety | Patented Tamper Resistant |
| Sight | Not Included (Red Dot Recommended) |
| Threaded | 1/2-28 |
| Upper | Polymer |
| Weight Unloaded | 2 lbs 14 oz |
| Weight With Loaded 10 Round Mag | 3 lbs 2 oz |
Pros
- Compact .22 LR platform designed for portability and easy handling in the field.
- Light unloaded weight of 2 lbs 14 oz supports reduced carry burden.
- Ships with both 1-round and 10-round magazines for flexible use.
- 7-position adjustable buttstock helps tailor fit to the shooter.
- Standard Picatinny rail with M-Lok buttstock supports accessory mounting.
- Threaded 1/2-28 barrel adds compatibility with threaded muzzle accessories.
Considerations & Trade-offs
- The rifle ships without sights, so an optic or red dot will need to be added to complete the setup.
- It includes both a 1-round and 10-round magazine, which may suit different uses but also means capacity is limited to the supplied magazines.
- The adjustable overall size range of 27.75" to 30.75" may require some setup time to fit the shooter or carry preference.
- The polymer upper and lower keep weight down, but that construction may be a trade-off for buyers who prefer a different feel than metal receivers.
Suggested Comparisons
- Compact rimfire rifles
- Lightweight sporting rifles
- Adjustable-stock firearms
- Red dot sights
Suggested Accessories
- Magazine
- Red dot sight
- Cleaning kit
- Sling
Frequently Asked Questions
What cartridge does the GOAT-15 HELIUM use?
It is chambered in .22 long rifle (.22 LR).
Does this firearm include sights?
No. The listing says sights are not included, and a red dot is recommended.
What magazines are included?
It ships with a 1-round magazine and a 10-round magazine.
What type of action does it use?
The listed action is blow back, single shot, and semi-automatic.
What are the stated size and weight details?
The listed unloaded weight is 2 lbs 14 oz, and the weight with a loaded 10-round magazine is 3 lbs 2 oz. The size is listed as 27.75" to 30.75" fully extended.