Description
Sig took the CROSS receiver, stripped away everything a backcountry hunter doesn't need, and the Cross Trax is what came out the other side. At right around six pounds with the magazine in, it carries like a rifle you'll take up the ridge instead of leaving in the truck. The 11.5 inch skeletonized handguard cuts weight where it counts, and the Minimalist Folding Stock collapses the whole rifle down to 26 inches folded, which makes a real difference strapped to a pack or stowed behind a seat.
A Cross Trax Built for the Walk In
The 16 inch tapered stainless steel barrel wears a 1:9 twist that stabilizes the heavier .243 Winchester loads deer hunters tend to favor, and the 5/8×24 threaded muzzle means a suppressor or brake spins right on out of the box. Up top you get a 20 MOA Picatinny rail, so mounting a scope with plenty of elevation headroom is a five minute job. The .243 chambering is a smart match for this platform too. Light recoil, flat trajectory, and enough punch for deer, antelope, and coyotes makes it a do-it-all cartridge in a rifle that weighs next to nothing.
Trigger and Controls That Earn Their Keep
The two-stage match trigger adjusts from 2.5 to 4 pounds, which is a genuinely nice trigger for a hunting rifle in this class. Sig also kept the controls thoughtful, with an ambidextrous safety, a low-profile bolt knob and handle that won't snag on brush or pack straps, and a PDW-style grip that indexes naturally with gloves on. The stock includes an integrated QD sling point and a polymer cheek piece to get you behind the glass comfortably.
Feeding the Cross Trax
The rifle ships with one 5 round polymer magazine on the familiar AICS pattern, so spares are easy to come by. Add an optic and a sling and this thing is ready for opening morning.
Key Specifications
- Manufacturer Part Number: CROSS-243-16B-TRX
- UPC: 798681690251
- Caliber: .243 Winchester
- Action: Bolt Action
- Barrel Length: 16 inches
- Barrel Material: Stainless Steel, Tapered
- Twist Rate: 1:9
- Muzzle Threads: 5/8×24
- Capacity: 5+1 Rounds
- Trigger: Two-Stage Match, Adjustable 2.5-4 lbs
- Handguard: 11.5" Skeletonized, Free-Floating
- Stock: Minimalist Folding Stock with QD Sling Point
- Overall Length: 35.1" (26" Folded)
- Optics Mounting: 20 MOA Picatinny Rail
- Safety: Ambidextrous
- Weight: Approx. 5.9 lbs with Magazine
What’s Included
- Sig Sauer Cross Trax .243 Win Bolt Action Rifle
- One 5-Round Polymer Magazine (AICS Pattern)
- Thread Protector
- Owner's Manual
Frequently Asked Questions
Is the Sig Cross Trax suppressor ready?
Yes. The 16 inch stainless barrel comes threaded 5/8×24 with a thread protector installed, so most .243 and 6mm rated suppressors and muzzle brakes will thread straight on. The shorter barrel keeps overall length manageable even with a can attached.
How is the Cross Trax different from the standard Sig Cross?
The Cross Trax is the lighter, more minimalist take on the CROSS platform. It swaps in a skeletonized 11.5 inch handguard, a Minimalist Folding Stock, a PDW-style grip, and a low-profile bolt knob, shaving weight compared to the original Cross. The core receiver and two-stage match trigger carry over, so you keep what made the Cross popular in the first place.
What magazines does the Cross Trax .243 use?
It ships with one 5 round polymer magazine built on the widely used AICS pattern. That means finding spare mags is simple, and short action AICS-pattern magazines are made by several manufacturers.
Does the Cross Trax come with sights or an optic?
No, this rifle is optic ready and ships without sights. The integrated 20 MOA Picatinny rail on the receiver gives you plenty of real estate for a scope and extra elevation for stretching the .243 out at distance. Plan on adding rings or a one-piece mount along with your glass.





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