Bear Creek Arsenal Expands Into 400 Legend Territory
Author: Aleksa M. | Publish Date: May 23, 2025 | Fact checked by: Marko Lalovic
New 400 Legend Platform Meets Growing Hunting Demand
Bear Creek Arsenal has stepped into the straight-walled cartridge market with their latest offering: dedicated 400 Legend uppers and complete rifle systems. This strategic move addresses the increasing demand from hunters operating in regions where straight-walled cartridge requirements have become the norm for deer hunting with rifles.
The company's expansion into this specialized market segment provides shooters with modern AR-platform options that comply with jurisdictional hunting regulations while maintaining the reliability and modularity that has made the AR-15 platform so popular among hunters and enthusiasts.
Understanding the 400 Legend Advantage
The Evolution of Straight-Walled Hunting Cartridges
While traditional straight-walled rounds such as .357 Magnum and .44 Magnum have served hunters for decades, recent innovations have focused on adapting these cartridge designs for contemporary rifle platforms. This shift represents a significant departure from the historical limitation of straight-walled cartridges to lever-action and bolt-action rifle systems.
Winchester's 400 Legend Design Philosophy
The 400 Legend cartridge emerged from Winchester's engineering efforts to create an optimal balance in the straight-walled category. Positioned strategically between the 350 Legend and 450 Bushmaster, this .40-caliber round delivers substantial bullet weight for effective penetration while maintaining manageable recoil characteristics compared to larger bore alternatives like the 450 Bushmaster.
Bear Creek Arsenal's Complete Product Lineup
BC-15 Complete Rifle Configurations
Bear Creek Arsenal currently offers two distinct BC-15 rifle configurations chambered in 400 Legend:
Right-Side Charging Configuration:
- 18-inch Parkerized heavy barrel
- 1:16 twist rate
- Carbine-length gas system
- 15-inch Talon MLOK split rail system
- Right-side charging handle operation
- Price: $499 (magazine sold separately)
Standard Rear Charging Configuration:
- 16-inch barrel length
- Conventional rear charging handle
- Same rail system and gas configuration as 18-inch model
- Price: $499 (magazine sold separately)
Both rifle systems exclude magazines from the base package, with individual magazines available for $27.90 each.
Upper Receiver Assemblies
For builders preferring to customize their own lower receivers, Bear Creek Arsenal provides standalone upper assemblies:
18-inch Right-Hand Charging Upper:
- Complete upper assembly with charging handle configuration
- 15-inch Talon MLOK split rail included
- Mil-spec compatibility with standard AR-15 lowers
- Price: $299
16-inch Standard Upper:
- Rear charging handle configuration
- Identical rail system and compatibility
- Mil-spec AR-15 lower compatibility
- Price: $299
Technical Specifications Summary
Both upper configurations maintain consistent component quality and compatibility standards:
- MLOK-compatible split rail system
- Mil-spec AR-15 lower receiver compatibility
- Parkerized barrel finish for durability
- Carbine-length gas system operation
Author:
Aleksa Miladinovic

Aleksa Miladinovic is a passionate technology enthusiast born and raised in Serbia, whose interest in defense technology was sparked by his country's rich firearms manufacturing heritage. His journey began when attending a Partner defense exhibition in Belgrade, where he was captivated by the innovative engineering and precision mechanics behind modern defense systems. With Serbia being a significant producer of military equipment in the region, Aleksa has developed a deep appreciation for the technical advancements and engineering excellence that the firearms industry represents.