Diana 350 Magnum Panther

The Diana 350 Magnum Panther is a break barrel spring-piston air rifle engineered for shooters who demand raw power and German reliability. Chambered in 4.5mm (.177) and 5.5mm (.22), this magnum-class rifle delivers exceptional energy for long-range target work and hunting . The weather-resistant synthetic Panther stock features an ambidextrous cheek piece and textured grip surfaces . At Airgun Store, we supply the Diana 350 Magnum Panther to shooting enthusiasts across Germany, France, Sweden, Finland, Estonia, and the Netherlands.

The Diana 350 Magnum Panther fires 4.5mm pellets at up to 325 m/s and 5.5mm pellets at 265 m/s . Muzzle energy reaches 28 J in .177 and 32 J in .22 . The rifled barrel measures 495 mm, while overall length is 1,230 mm . Weight sits at approximately 3.7 kg . The airgun fills via break barrel cocking, delivering one shot per cycle. An 11mm prism rail accepts standard scope mounts . The T06 precision trigger is adjustable for fine control . This is a high-power spring rifle, so always verify local energy regulations.

The break barrel spring-piston action defines the Diana 350 Magnum experience. Shooters cock the barrel, load a single pellet, and fire. The automatic safety engages during cocking for secure handling . The T06 trigger offers adjustable pull weight and a clean break . Owners describe the cocking stroke as smooth and the lockup as solid . The ambidextrous synthetic stock suits both left and right-handed shooters equally well . This straightforward mechanical design appeals to shooters who value simplicity and field reliability over complex systems.

Honest owner feedback reveals several recurring concerns. Some shooters report the latch rod becoming loose inside the piston, causing inconsistent shot cycles . At least one owner experienced a serious incident where the main stock screw sheared, allowing the rear action to fly backward during cocking . Others note metal debris embedding in the piston seal, leading to premature wear . The factory iron sights receive criticism for feeling flimsy compared to older Diana models . Some report the T06 trigger can exhibit creep through the second stage. These issues do not affect every rifle, but buyers should be informed.

The Diana 350 Magnum Panther rewards careful pellet selection. For 4.5mm models, JSB Exact Express at 0.51g and H&N Field Target Trophy at 0.56g perform exceptionally well . Owners report that pellets between 9.5 and 10.5 grains deliver the best consistency in .177 . For 5.5mm models, test domed pellets between 14 and 16 grains . The rifle typically requires several hundred shots before reaching peak accuracy. Most owners achieve sub-25mm groups at 25 metres with the right pellet. At longer ranges, consistent hold and quality pellets make the difference.

Purchase the Diana 350 Magnum Panther from Airgun Store with full manufacturer warranty and support for Europe customers. Shooters in Sweden, Finland, and Estonia value this rifle for its combination of power and durability. We recommend mounting a quality airgun-rated scope with a one-piece mount and stop pin to withstand magnum recoil. Add a cleaning kit and spare breech seal to maintain performance. Browse our 4.5mm and 5.5mm pellet selection to find the perfect match for your barrel. Contact our team for advice on setup and local energy compliance.