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duckshepherd Wednesday, March 7th, 2007
Period of
Product Use:
2 years2 of 2 people found this review helpful.

More than 5 years
Products Used:
Stock Hammer for Piranha
Marker Setup: PMI Piranha Pro TS G3, E-Force Electric Trigger, Tear Drop Barrel, Revy w/ empire re-load upgrade, ram air chamber w/ modification, Flush cocking system, Rocket Valve, Boss Bolt, Fatty Stabilizer, Dark Horizon Titanium Striker, Chameleon spring kit, CO2 w/ anti-siphon, also use HPA
Strengths: Lightweight
Less kick
Weaknesses: Expensive little bugger
Review: Just to clarify some confusion quickly here, there IS a Piranha Version of the Dark Horizon Titanium hammer available on their website.

A couple years ago I bought a bunch of enhancements for my Piranha to convert it to a low pressure marker (275psi). I had every LP upgrade I needed, or so I thought. I discovered I could even upgrade my stock hammer. Apart from the Dark Horizon Titanium Hammer, I noticed that there were a couple of half plastic half metal hammers out there. I figured having a solid piece hammer would be more reliable, so I just went with Dark Horizon, even though the price was a bit steep. I had too much money to burn at the time anyway.

So after using this thing for a couple years, here's what I discovered:

What a lighter hammer actually does:
The lighter the hammer does three things:

Increases Gas Efficiency - Since there is less mass striking the pin and cupseal on the valve, the valve releases less air, so you use less gas each shot. Now you might ask, "Wait a minute... won't I have problems properly recocking if my valve is releasing less air?" Well, normally that would be true, but remember, the titanium hammer is lighter, so it takes less air to push it back. So everything balances out; less air is released, but at the same time less air is required to recock the hammer. Also, because it takes less air to push the hammer back, the valve isn't open for as long, since the hammer is knocked back faster. This also has to do with the increased cycling rate.

Less Kick - You have less mass cycling back and forth, so obviously your marker won't kick as much. Honestly though, I kinda liked it when my Piranha kicked harder; it gave it more character. But you could argue that less kick helped you center you shots. It's not like I'm shooting an autococker though, my paint flies somewhat sparadically regardless.

Cycles Faster - The decreased mass allows the marker to cycle faster since it takes less energy to change direction on an object that has less mass. I could bore you with Physics equations here, but I'll spare you. I think you get the idea.

What a lighter hammer DOESN'T do
The lighter titanium hammer will not reduce your marker's opperating pressure. Though my main reason for purchasing the DH Hammer was to knock down my opperating pressure, it didn't. The Dark Horizon website never claimed that that's what it was designed to do anyway, I just assumed that myself. I've come to understand the technical aspects of why it didn't help, but I won't bore you with that either.
Conclusion: The bottom line is, is this upgrade worth it? Sure it makes make my Piranha cycle faster, but my trigger frame maxes out at 15BPS anyway, and I never had any problems with my stock hammer to bigin with. And sure, you use up a little less air, but really, I haven't noticed much of a difference in how much longer my CO2 tanks last me; maybe a hundred extra shots or so. But are a few extra shots worth $50? No, I don't think so. Unless it pains you that your gun has a bit of a kick, I'd stick with your stock hammer. Save you're $50 for something better, like a new bolt, reg, or something. If you simply want your marker completely pimped out with the best of everything, even if it means forking out $50 for a little round chunk of metal, be my guest.

Don't get me wrong, this is a nice hammer. You can't get much better than titanium. But titanium is expensive, and it doesn't do $50 worth of benefit to your Piranha. For great quality, but a lack of benefits to justify the price, I give this hammer a 6.3 for just above average.
6 out of 10Last edited on Wednesday, March 7th, 2007 at 12:23 pm PST

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