Holiday Sale is LIVE!
FinexPRO Folding Stock Adapter (4140 Steel)
Order now, get it by .
Lifetime
Warranty
Free 2-Day
Shipping
Proudly Made
in USA
Material
The Firefinex Folding Stock Adapter is crafted from 4140 Steel (Guaranteed or your Money Back, no questions asked). Built for durability, it’s designed to withstand the toughest conditions.
Every order includes a free magnet so you can test it yourself — proving it’s real 4140 Steel, not cheap aluminum alloys.
Lifetime Warranty
Your FinexPRO Folding Stock Adapter is built from real 4140 steel and built to last. In the unlikely event it ever fails, we’ll replace it - no questions asked, no hoops to jump through.
Enjoy peace of mind for life, because durable gear should stay in the fight as long as you do.
Product details
Material: 4140 Steel (Guaranteed or your Money Back)
Weight: 10.3 oz
Includes all tools needed for easy installation.
Compatibility
Compatible with:
- Mil-Spec AR15, most AR10 builds.
- 9mm bolt carriers with standard sizing.
Shipping
Fast & Reliable Shipping – On Us!
Shipping Methods:
Standard Shipping (FREE): Delivered in 2-3 business days via USPS Ground Advantage.
Expedited Shipping: Need it faster? Choose our Priority Mail service for delivery in 1-2 days.
Quick Processing:
Once your order is confirmed, we make sure it’s prepared and packed the same day. We’re dedicated to getting your Firefinex products to you quickly and efficiently.
Choose options
Order now, get it by .
Lifetime
Warranty
Free 2-Day
Shipping
Proudly Made
in USA
Built from 4140 Steel Guaranteed.
Every order includes a FREE magnet so you can test it yourself.
Stronger. Heavier. Real 4140 Steel.
Compare the weight difference, our 4140 Steel Adapter (10.3 oz) is built to last for ever.
Fast & Easy Installation.
All tools included! Install your Firefinex Folding Stock Adapter in minutes.
We prioritize quality and craftsmanship in every accessory we create. Firefinex products are designed with the highest standards in mind, ensuring they withstand the rigors of outdoor use. Whether you’re hiking, camping, or engaging in tactical activities, you can trust that our accessories will help you perform at your best, even in the most challenging environments.
The Firefinex Advantage
We prioritize craftsmanship.
Firefinex is all about gear that’s tough, reliable, and ready for any outdoor challenge. Our accessories provide the perfect balance of performance and comfort, ensuring you’re always prepared for whatever adventure lies ahead.
Built for the Outdoors
Firefinex is all about gear that’s tough.
At Firefinex, we are dedicated to creating high-quality outdoor sports accessories that are built for durability, functionality, and performance. Our range of products is specifically designed to meet the needs of outdoor enthusiasts, athletes, and tactical professionals. With a focus on reliability and innovation, we provide the best gear to help you take your adventures to the next level.
Our Mission - ALWAYS
Last for ever. And more.
buy now pay later
Get your Firefinex accessories today and enjoy flexible payment options with Shop Pay at checkout. Pay later, stress-free.
No interest or fees
Your order is shipped now
Easy automatic payments
