Description
The Double Tap .357 Magnum 158-grain hollow point is built for performance in revolvers and lever-action rifles. This load sits at the heavier end of the .357 spectrum, which means deeper penetration and less expansion variance compared to lighter bullets. The notched jacket helps the projectile split evenly on impact, directing energy into the target rather than just straight through. You'll get 1540 feet per second from a standard 4-inch barrel, putting real velocity behind that heavy mass.
What Sets Double Tap's .357 Magnum 158gr Apart
Double Tap separates itself through an old-school quality approach. Rather than relying on fully automated systems, every single round gets touched and inspected by human hands before it ships. This started back when the founder couldn't find high-performance 10mm ammo that met his standards, so he started making it himself in 2002. That same philosophy extends to all their loads now, including this .357 Magnum offering. The brass is new, never reclaimed, and everything's loaded to SAAMI spec with proper powder charge and cartridge assembly.
Performance With the Colt Defense Load
This particular load is tuned for quick follow-up shots while maintaining the penetration characteristics that make the .357 Magnum a respected choice. The 158-grain weight provides roughly 688 foot-pounds of energy at the muzzle, with the capacity to penetrate around 15 inches depending on barriers and barrel length. You'll notice manageable recoil compared to some hotter magnum loads, which makes double taps easier to control without sacrificing stopping potential. The load works well from 2-inch snubbies through 6-inch barrels, though longer barrels will naturally develop more velocity.
Key Specifications
- Caliber: .357 Magnum
- Bullet Weight: 158 Grains
- Bullet Type: Jacketed Hollow Point (JHP)
- Rounds per Box: 20
- Case Type: Brass, Boxer-primed
- Muzzle Velocity: 1540 fps (4-inch barrel)
- Muzzle Energy: 688 ft-lbs
- Penetration: Approximately 15 inches
- Manufacturer: Double Tap Ammunition
- Model: Colt Defense
- MPN: 357M158CT
- UPC: 753387048454
What’s Included
- 20 rounds of .357 Magnum 158-grain JHP ammunition
Frequently Asked Questions
What's the difference between this 158-grain and lighter .357 Magnum loads?
The heavier 158-grain bullet penetrates deeper and maintains energy better through obstacles, while lighter projectiles typically expand faster. The trade-off is that 158-grain rounds generate more recoil, though this Double Tap load is tuned for standard pressure to keep follow-up shots manageable. Choose 158-grain if you want depth and penetration, or go lighter if recoil control is your priority.
Will this load work reliably in short-barrel revolvers?
Yes, this Colt Defense load is designed specifically for standard barrel lengths including shorter 2 and 3-inch revolvers. You'll see lower velocities from short barrels, but the load is engineered to function reliably across the range. For absolute maximum velocity and expansion, longer barrels like 4 and 6 inches will perform better, but the round is built to work from snubbies on up.
How does Double Tap ensure ammunition quality?
Double Tap uses a hands-on approach that sets them apart from larger manufacturers. Every single round is personally inspected by trained eyes before it ships. They use new brass only, load to SAAMI specifications, and employ proper powder charges and cartridge assembly. This human-oversight method catches assembly errors that automated systems might miss.
Can I use this ammo in my .357 lever-action rifle?
Absolutely. The .357 Magnum chambering works across revolvers, semi-auto pistols, and lever-action rifles. You'll get excellent velocity gains from a rifle barrel compared to handgun barrels, giving you more energy and flatter trajectory for hunting or long-range shooting.





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