Description

The Sig Sauer CROSS Magnum Sawtooth Rifle takes the lightweight chassis platform Sig built for backcountry hunters and opens the action up for magnum cartridges. In 300 PRC that means a 24 inch carbon fiber wrapped barrel, a six round AICS magazine and a stainless steel radial brake that Sig rates at up to a forty five percent reduction in felt recoil. The chassis folds, the forend takes a tripod directly and the whole rifle still carries like something built for walking.
The Magnum Action And The Barrel
Opening a short action up for 300 PRC is not a trivial change. The cartridge is long, wide at the base and loaded to high pressure, so the receiver, bolt and magazine well all had to grow. Sig kept the one piece aluminum receiver architecture, which means the action and the chassis are machined as a single unit rather than bedded together, and nothing shifts under recoil or across seasons.
The 24 inch barrel is carbon fiber wrapped over a stainless core. That construction keeps the stiffness of a heavy contour barrel while shedding a meaningful share of the weight, and the carbon sheds heat faster than steel so groups hold together across a string. Twist is one turn in nine inches, which stabilizes the heavy high ballistic coefficient bullets that make 300 PRC worth shooting.
The muzzle is threaded five eighths by twenty four and wears a stainless steel heavy profile radial muzzle brake. On a magnum that brake is not optional equipment in practice; it is what makes the rifle pleasant enough to shoot a full box in one sitting.
Chassis, Forend And Trigger
The stock folds against the receiver and adjusts for length of pull and comb height, with an AR compatible grip so a shooter can fit their own preferred PRS style unit. Folding a 47 inch rifle down for transport is the difference between strapping it to the outside of a pack where it snags and carrying it inside where it does not.
The ARCA Swiss M LOK forend carries both a dovetail rail and M-LOK slots. ARCA means a tripod head clamps straight to the rail with no adapter and slides fore and aft for balance, which matters enormously to anyone glassing and shooting from a tripod in open country. M-LOK handles bipods, slings and everything else.
The trigger is a two stage adjustable match unit, with a defined first stage and a clean break on the second. A Picatinny rail runs over the receiver for scope mounting, the safety is ambidextrous, and the rifle feeds from a six round AICS pattern magazine so spares are easy to find.

Sig Sauer CROSS Magnum Sawtooth Rifle Specifications
- Manufacturer: Sig Sauer
- Model: CROSS-Magnum Sawtooth, part number CROSS-MAG-300PRC-24B-SAW
- Caliber: 300 PRC
- Action: Bolt action, magnum
- Barrel Length: 24 inches, carbon fiber wrapped stainless
- Twist Rate: 1 turn in 9 inches
- Muzzle Threads: 5/8 by 24
- Muzzle Device: Stainless steel heavy profile radial brake
- Overall Length: 47.1 inches
- Height: 7.3 inches
- Width: 3.5 inches
- Magazine: One 6 round AICS pattern
- Trigger: Two stage adjustable match
- Receiver: One piece aluminum
- Forend: ARCA Swiss and M-LOK, free floating
- Stock: Ultralight folding precision adjustable, AR compatible grip
- Safety: Ambidextrous
- Rail: Picatinny
- Finish: Moss green Cerakote
- Accuracy: Sub 1 MOA certified
- UPC: 798681700769
A word on the cartridge. The 300 PRC drives a 225 grain bullet around 2,810 feet per second from a 24 inch barrel, with a ballistic coefficient high enough to stay supersonic well past a mile. It hits noticeably harder than a 300 Winchester Magnum at distance and feeds better from a magazine because the case was designed around long, heavy bullets rather than adapted to them. Recoil is real, which is why the radial brake matters.
Why Buyers Choose The Sig Sauer CROSS Magnum Sawtooth Rifle
Buyers choose the Sig Sauer CROSS Magnum Sawtooth Rifle because a magnum chassis rifle that does not weigh twelve pounds is genuinely hard to find. The carbon fiber barrel and aluminum chassis do most of that work, and the result is a rifle a hunter will actually carry to the top of the ridge.
The ARCA forend and folding stock point at the same style of hunting. Fold it for the approach, clamp it to a tripod at the glassing point, and the rifle works as a precision platform without a bag of adapters. Few factory rifles are set up this way from the box.
And the accuracy guarantee is not marketing filler. Sub 1 MOA certified from a factory rifle in a magnum chambering, with a two stage match trigger already installed, is a serious specification. Buying a comparable custom build costs considerably more and takes months.
Who Should Buy The Sig Sauer CROSS Magnum Sawtooth Rifle
This rifle suits a hunter chasing elk, moose or open country mule deer at extended range, a long range shooter who wants a field rifle rather than a bench gun, and anyone who needs one rifle that folds for travel and shoots off a tripod. It is expensive and it recoils; both are the price of what it does.
Full manufacturer specifications for the Sig Sauer CROSS Magnum Sawtooth Rifle are published by Sig Sauer on the official product page. Browse more Sig Sauer rifles and precision gear in our rifles category.










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