$937.99
3 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 
Proof Research built the 138687 specifically for Tikka T3x owners who want to shed weight and pick up accuracy without sending their rifle off to a gunsmith for months. It comes chambered and threaded from the factory in .308 Winchester, finished at 16.5 inches with a 1:10 twist and a Sendero contour, and the muzzle is already cut 5/8-24 for a brake or can. Since Tikka barrels thread directly into the action rather than relying on a separate barrel nut, installation really is as simple as torquing it on and confirming headspace with a set of gauges before you head to the range.
The whole point of a pre-fit is skipping the wait and the bill for custom chambering, and this barrel delivers on that. Because it ships already reamed and threaded to Proof's own chamber specs, most owners can swap it themselves with a barrel vise, an action wrench, a torque wrench, and go/no-go gauges to double check headspace once it's snug. It's a good project for someone comfortable with basic gunsmithing tools, though plenty of shops will do the swap in an afternoon if you'd rather have someone else handle it.
Underneath the wrap is a full 416R stainless steel core, single-point cut rifled and lead lapped the same way every Proof barrel is made, so you're not giving up any bore quality for the weight savings. That steel core gets turned down to a reduced profile and then wrapped in aerospace grade carbon fiber, which pulls heat away from the bore faster than steel alone can manage. Coming in at 2 pounds 7 ounces, it's noticeably lighter than a comparable steel Sendero contour barrel, which makes a real difference if you're carrying this rifle up a mountain or holding it steady off a bipod for a long session.
One thing worth planning for before you order: this is a full Sendero contour with a 1.2 inch shank, which is thicker than the factory Tikka barrel profile. Most stock T3x forends are cut narrower than that, so you'll likely need a stock or chassis with a Sendero-sized barrel channel to free float it properly. If you're already running an aftermarket stock built around a Proof contour, this barrel will drop right in without any extra fitting.
Not necessarily. Because it's a pre-fit, it arrives already chambered and threaded to fit the Tikka T3x action, so it's designed to thread on and torque down without any machine work. You'll still want to double check headspace with a go/no-go gauge set once it's installed, and if that's outside your comfort zone, most gunsmiths can handle the swap quickly since there's no chambering involved.
Probably not without modification. This barrel has a 1.2 inch shank, which is noticeably thicker than the stock Tikka barrel profile, so most factory forends are too narrow to free float it. Plan on pairing it with an aftermarket stock or chassis cut for a Proof Sendero contour, or opening up your factory stock's barrel channel if you want to keep it.
Proof's carbon fiber barrels can run up to 64 percent lighter than a comparable steel barrel of the same contour, and this 138687 weighs in at 2 pounds 7 ounces. The savings come from turning the steel core down to a reduced profile before wrapping it in carbon fiber, so you keep the rigidity and bore quality of a full steel barrel without carrying all that extra weight out front.
Yes, it comes threaded 5/8-24 right out of the box, which is the standard thread pitch for most .308 suppressors and muzzle brakes on the market. You can run a can or brake straight onto it without needing to have it threaded or turned down afterward.
| UPC | 843068138687 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 138687 |
You must be logged in to post a review.
Reviews
There are no reviews yet.