From the Dragon Press Release:
1/72 L/70 Jagdpanzer IV (Late Production) w/Aluminum barrel

This highly detailed model kit of the Jagdpanzer IV L/70 includes a whole range of totally new parts especially designed for this distinctive armored vehicle.

Main Features:
- Completely new upper hull and lower hull
- New engine deck and fenders with accurate details
- New on-vehicle tools
- Accurate mantlet
- One-piece slide-molded barrel
- Slide-molded exhaust pipes
- Travelling barrel clamp can be assembled as locked or at rest
- Periscope hatch can be assembled open/closed
- Wide range of Cartograf decal markings available
- Detailed tracks manufactured in Dragon Styrene
- One-piece return rollers are beautifully made and convenient to assemble, thanks to slide mold technology.
- Road wheel hubs are separate pieces, allowing unparalleled crispness of detail
- Bonus aluminum barrel

About the Jagdpanzer IV:
The low profiled Jagdpanzer IV was an improvement on the StuG design, even though it was still based on the PzKpfw IV chassis. The L/70 model featured a 75mm PaK42 L/70 gun mounted in the superstructure, and it was in production from August 1944 to March 1945.