Sig Sauer CROSS Magnum .300 Win. Mag. Bolt-Action Rifle, 24 in Threaded 5R Barrel, Folding Adjustable Stock, M-LOK Handguard
This recent-release Sig Sauer CROSS Magnum stands out as a purpose-built .300 Win. Mag. with a 24 inch 5R threaded barrel and an installed multi-port muzzle brake. It pairs a two-stage, externally adjustable trigger with a folding, tool-less adjustable precision stock and a receiver-top MIL-STD-1913 Picatinny rail. The long free-float M-LOK handguard includes an integrated ARCA interface, and the rifle is in excellent condition.
Condition
Overall Condition: Excellent condition, showing only faint signs of any prior use or handling.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: Minimal handling marks from prior use. The bore is bright and clean. See photos for close-ups.
What’s Included
- 1x 5-round magazine
- Owner's manual
- Original box
The CROSS Magnum action uses a three-lug bolt with dual ejectors and a large textured bolt knob for confident manipulation. The alloy receiver is marked "CROSS", "MULTI CAL.", and "SIG SAUER INC NEWINGTON, NH USA" with the circular SIG logo on the right magwell. Capacity is 5+1 in .300 Win. Mag., and the rifle wears a tan/black finish.
Its precision stock folds for transport and offers tool-less adjustments for cheek height, buttpad height and cant, and length of pull. A bag rider is integrated for stable rear support. Length of pull is listed at 13.0 inches and is adjustable.
The 24 inch barrel features 5R rifling and is threaded at the muzzle with a factory-installed multi-port brake. This configuration allows easy use of compatible muzzle devices.
Up top, a receiver-mounted MIL-STD-1913 Picatinny rail provides a solid base for mounting optics, and there are no iron sights. The long, free-float metal handguard has extensive M-LOK slots and an integrated ARCA interface. The CROSS Magnum platform supports user barrel changes without disturbing the mounted scope or receiver rail.

