Lyman Mustang Breakaway 209 Magnum .50 Caliber In-Line Muzzleloader, Limited-Run Italian-Made, 26" Blued Barrel with Walnut Stock
The Mustang Breakaway 209 Magnum stands out as one of Lyman’s most innovative in-line muzzleloaders. Built in Italy by Investarm between 2006 and 2008, this break-action, hammerless rifle combines modern 209 primer ignition with a magnetized primer retention system for secure, weather-resistant performance. Its 26-inch blued steel barrel, premium Ultra-Grain walnut stock, and factory scope bases give buyers a feature-rich black-powder arm that is both collectible and ready for the field.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
What’s Included
- Factory-installed two-piece Weaver-style scope bases
This Mustang Breakaway features a single-shot, break-action design that simplifies loading and cleaning while eliminating external hammers. The tang sliding safety offers intuitive control, and the magnetized primer retention system keeps the 209 primer secure even in rough conditions.
The 26" blued steel barrel is paired with a 1:28 RH twist, ideal for stabilizing modern sabots and conical bullets. Fiber-optic sights—red ramped front and fully adjustable green rear—provide bright, fast target acquisition in low light.
A gloss-finished walnut stock with pistol grip, crisp checkering, and a recoil pad delivers both classic aesthetics and comfortable shoulder fit. The 14.0" length of pull suits most adult shooters, and the rifle’s full-size profile balances well for offhand work.
Italian Gardone proof marks, CIP acceptance stamps, and the serial prefix “A” verify its European origin and limited production heritage. Collectors will appreciate the short 2006–2008 run, while hunters gain a robust, field-ready .50 caliber muzzleloader with factory scope bases already installed.