The Winchester Model 70 Extreme Weather MB: .300 Winchester Magnum with a 26″ fluted stainless sporter barrel, muzzle brake (9/16″-24), Bell & Carlson composite stock with aluminum bedding block, M.O.A. trigger, hinged floorplate (3-round capacity) and a drilled-and-tapped receiver. No iron sights; optic not included. Manufacturer part number: 535242233.
Key features
- .300 Win Mag Extreme Weather; 26″ barrel
- Fluted stainless barrel; muzzle brake
- Bell & Carlson synthetic stock
- M.O.A. trigger; hinged floorplate
- 3-round capacity (factory)
- No iron sights; no factory optic
Buying from PM Customs in Yukon
PM Customs is a licensed FFL in Yukon, OK, serving the Oklahoma City metro. Choose local pickup by appointment (generally Mon–Sat, 8 AM–4 PM), or have your Winchester M70 Extreme 300 shipped to your local FFL. You pick at checkout. Questions? Call 405-265-8955.





