Description
Double Tap has built its reputation on delivering ammunition that maximizes ballistic potential in every caliber. This 40 S&W 155-grain load shows why that focus matters. Built around the Speer Gold Dot hollow point, a bullet trusted by law enforcement and civilians alike, this load offers a balanced approach to power and control in a lighter-grain package.
The 155-grain bullet weight sits at a sweet spot for the 40 S&W platform. It delivers higher velocity than heavier alternatives while maintaining the penetration and expansion characteristics that matter when reliability counts. The Speer Gold Dot design relies on a bonded core that resists separation, preserving the integrity of the bullet through barriers and into target media. This means consistent performance regardless of defensive conditions.
Double Tap's Manual Quality Control
Unlike mass-produced ammunition that relies entirely on automated machinery, Double Tap personally inspects every cartridge during the assembly process. That human oversight catches the errors and inconsistencies that machines miss, translating to round-to-round reliability you can verify at the range or depend on when it matters most. It's the kind of attention to detail that separates ammunition built by hand from ammunition built by default.
Practical Performance for 40 S&W Use
Testing shows this load achieves approximately 1200 feet per second from standard-barrel 40 S&W pistols, offering improved velocity relative to factory reference loads while staying within safe pressure limits. The lighter recoil impulse compared to 180-grain loads helps manage follow-up accuracy in defensive scenarios without sacrificing the penetration depth needed for through-barrier performance. Reloadable brass cases add value for shooters who handload.
Key Specifications
- Manufacturer: Double Tap Ammunition
- Caliber: 40 S&W
- Bullet Weight: 155 grains
- Bullet Type: Speer Gold Dot Jacketed Hollow Point (SC-HP)
- Rounds per Box: 20
- Case Type: Brass (reloadable)
- Primer Type: Boxer
- Model Number: 40155X
- UPC: 659465490576
- Typical Velocity: Approximately 1200 fps from standard-barrel 40 S&W
- Intended Use: Personal defense, duty carry
- Assembly Method: Individually hand-inspected
What’s Included
- 20 rounds of 40 S&W ammunition
- Cardboard box packaging
Frequently Asked Questions
What makes the 155-grain weight different from heavier 40 S&W loads?
The 155-grain bullet delivers higher velocity out of the muzzle with a slightly lighter recoil impulse than 165 or 180-grain alternatives. This weight is often chosen for self-defense since it provides better velocity-to-recoil balance in compact 40 S&W pistols while the Speer Gold Dot bullet design still achieves the expansion and penetration needed for serious use.
Are these rounds reloadable?
Yes. Double Tap uses boxer-primed brass cases that can be reloaded by handloaders. The quality brass that Double Tap sources holds up well through multiple loadings, making these rounds good value for people who reload.
How does Double Tap's hand inspection process affect ammunition quality?
Double Tap personally inspects every cartridge during assembly to catch inconsistencies and assembly errors that automated machinery can miss. This human oversight helps ensure more consistent round-to-round performance and fewer malfunctions at the range or when reliability matters.
Is this ammunition suitable for duty or self-defense use?
Double Tap designed this load specifically for defensive use. The Speer Gold Dot bullet is trusted by law enforcement and has a strong track record for controlled expansion and reliable penetration. This particular load offers a good balance between velocity, recoil management, and terminal performance in the 40 S&W.




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