Mountain Billy Gun Lab

Mountain Billy Gun Lab Home of the lightest semi-automatic rifle in production

06/08/2026

🐐 Thousands of you have had the chance to and these are the most common reactions:

😮 "Wow this thing is so light"
🔫 "I thought this was a toy"
❤️ "I just know my ________ would love this"
🕺"Man, I could have some fun with this!"

Tell us what your first thoughts were! 👇

06/05/2026

The last 5 rounds didn't make the cut.
During testing, we found that our higher capacity magazine performed best as a 20-round design. Better feeding. Better reliability. Better overall performance.
So rather than chase a bigger number, we chose the better magazine.
That's the GOAT mentality. 🐐
✨20 round magazines start shipping the week of June 22!!✨
****ms

Coffee orders say a lot about a person.So do firearm choices. ☕That got us thinking…Which coffee drink best matches each...
06/03/2026

Coffee orders say a lot about a person.
So do firearm choices. ☕

That got us thinking…
Which coffee drink best matches each GOAT-15 model? 🤔
GOAT-15 SBR = bold like a latte

What do you think the pistol should be? 👇

06/01/2026

This thing is lowkey fire...

Millennials want the specs.Gen Z just knows the vibe. 🐐Good thing the GOAT-15 delivers both.Lightweight. Compact. Built ...
05/28/2026

Millennials want the specs.
Gen Z just knows the vibe. 🐐

Good thing the GOAT-15 delivers both.
Lightweight. Compact. Built different.

Girls just wanna have fun 🔫🤷
05/26/2026

Girls just wanna have fun 🔫🤷

Main character energy. GOAT-15 edition. 🎬🐐Do you agree or disagree with these movie pair ups?
05/22/2026

Main character energy. GOAT-15 edition. 🎬🐐
Do you agree or disagree with these movie pair ups?

05/20/2026

You could order it by itself…
but it just makes more sense as a combo.

GOAT-15 🤝 something a little quieter

05/15/2026

Keeping your GOAT-15 clean helps keep it running smooth. 🐐

In this step-by-step video, we’re walking through how to clean your GOAT-15 after a range day. rom safe handling and disassembly to cleaning key components and getting it ready for the next trip out.

Save this one for your next cleaning session.

05/13/2026

Some things are better… quieter.
Stay tuned. 👀

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Charleston, UT
84032

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