SIG Sauer CROSS Sawtooth pictured with SIG Optics 3-18×44 Tango DMR FFP/MIL Scope & SIG Sauer branded medium rings
The SIG Sauer CROSS Sawtooth .308 Winchester with Proof Research’s carbon fiber barrel is a lightweight and ultra-portable bolt-action carbine with a bevy of modern features. In addition to its pièce de résistance, its carbon fiber barrel, the SIG Sauer CROSS Sawtooth also includes an M-LOK-compatible ultralight handguard (with a Swiss-ARCA section, no less), a pair of ambidextrous safeties, and feeds from industry-standard AICS-pattern magazines.
The CROSS Sawtooth from SIG Sauer
By default, the SIG Sauer CROSS Sawtooth includes an effective radial muzzle brake, and it’s also ready to accept any standard ⅝ x 24 TPI suppressor or suppressor mount. This makes it quite easy to add any .30 caliber can. It’s something I definitely want to do in the future and look forward to doing.
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The Modern Scout
It’s not the first time I’ve written this, but this short-action 16-inch .308 Winchester would be a damn fine scout rifle if there ever was one. It completely fits the bill, even if SIG Sauer doesn’t necessarily market it as a scout rifle.
For starters, the CROSS Sawtooth is actually light in weight. Its adjustable folding stock cleanly hinges out of the way while also protecting the bolt knob.
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It’s also 2026, and I contend that this novel bolt gun needs no iron sights or archaic LER scopes to be relevant today. After reviewing the Savage 110 Magpul Scout with this same EOTech VUDU 1-10 Daylight Bright LPVO, I re-mounted it on this CROSS Sawtooth. It’s a nice scope and felt like a natural fit for this handy little bolt gun.
Besides being first focal plane and providing a bright “red-dot” style sight-picture on 1x, this scope’s SR-5 reticle with its “lightweight” grid makes a lot of sense on a compact rifle meant to engage targets from 0 to 500 yards.
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In fact, I threw some quick-and-dirty DOPE (2.6-inch sight height, 168-gr SMK and MV at around 2460 FPS, assuming standard temperature and pressure), and the 500-yard “come up” is approximately 3.8 mils. Theoretical DOPE aside, holding 4 mils and minding the wind appropriately isn’t unreasonable. There’s no need to dial, either.
With that Reptilia AUS mount, mounting an auxiliary red-dot on top or on the side isn’t out of the question either.
The SIG Sauer CROSS Sawtooth bolt-action carbine is one of those guns that grows on me more and more as time passes.
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