$40.00
4 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
Modern bolt actions like the Bighorn TL3 and Origin moved to a shorter handle with a female attachment point, which means a lot of the aftermarket bolt knobs you'd want to run simply won't thread on. This little stainless adapter from Area 419 solves that. It takes your factory female-threaded handle and gives you a standard 5/16×24 male thread, so you're free to swap in the knob you actually want to grab.
The adapter is lathe spun and cut to a Class 3 thread fit, which is the tight, precise end of the spectrum. That matters on a part that lives at the end of your bolt handle and takes a beating every time you cycle the action. Once it's on, it accepts most aftermarket knobs threaded 5/16×24, giving you the freedom to dial in the feel you like. Folks who have run these on Bighorn and Origin actions consistently mention how solid and well made the fit and finish are.
This is the important part. Your Bighorn TL3 needs a female thread inside the bolt handle for this adapter to work. Some of the older TL3s came with a threaded male end on the handle instead, and those will not accept this adapter. Origin actions and current-production TL3s use the female setup, so if you're on a newer rifle you're in good shape. When in doubt, pull the bolt and take a look before you buy.
Swapping it in is a straightforward bench job. A little heat helps free the factory knob, and a drop of blue threadlocker keeps everything put once the adapter and your new knob are snugged down. It's an easy afternoon upgrade that makes the whole action feel more substantial and gives your bolt a purpose-built, custom look.
It fits Bighorn TL3 and Origin actions that use a female thread inside the bolt handle, which covers Origin rifles and current-production TL3s. Some older TL3s came with a male-threaded stud on the handle instead, and those will not work with this adapter. Pull your bolt and check the handle before ordering if you're unsure.
This listing is for the stainless adapter itself. It converts your factory handle to a standard 5/16×24 male thread so you can add most aftermarket bolt knobs, including Area 419's own finger-groove knob. You'll want to pick up the knob you like separately.
It provides a standard 5/16×24 male thread, cut to a Class 3 fit for a tight, precise interface. That thread pattern is common across a wide range of aftermarket bolt knobs, so you're not locked into one brand.
It's a simple bench task most people handle at home. A little heat helps break the factory knob loose, then thread on the adapter with a drop of blue threadlocker and snug it down. Add your chosen knob the same way and you're set.
| UPC | 850002933239 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 419-KNOBADT-BHSS |
You must be logged in to post a review.
Reviews
There are no reviews yet.