Friday, December 11, 2015

Wildcat Rounds and .510 Whisper

It's good to have friends.  One of mine is one of those wonderful individuals that has all the licenses etc. to manufacture bang sticks w/ fun switches, cans, and all sorts of other goodies.  He also really likes to show off these toys to his friends and take them out to play when he can.

While I was over there working on a transfer the other night, he asked if I was in a hurry.  I replied 'Not any more' when he pulled out a custom rifle (probably costing more than I make in a year) w/ custom suppressor.  It fired what is called a 'Wildcat' round, all custom machined, in a caliber called .510 Whisper.  Basically a .50bmg bullet in a cut down .338 Lapua casing. I got the fun of firing an API round at a 150m target.  No hearing protection.  It resulted in a pop.... BOOM!!! followed by schoolgirlish giggling.

Some of the other rounds he's made for various guns:

Hopefully I'll get to test some of these as well.  It's good to have friends.

Unorganized Militia Gear Unorganized Militia Gear
Follow TrailerDays on Twitter
Unorganized Militia Gear
Unorganized Militia Gear


Bob said...

From right to left, the first is a standard .223 Remington for a size comparison. Next is the 300 Blackout, then a .338 Whisper round that launches a 300 grain rock downrange at 1050 FPS. I also load these with a 200 grain bullet and raise the charge to send it downrange at about 2200 FPS. Next is .458 SOCOM. These are loaded from subsonic 500 grain rock throwers to over 2000 FPS ballistic tipped 325 grain bullets. These have become quite popular with hog hunters and they run on the AR15 platform with little more than a barrel change.

Next is one of the .510 Whispers with a 50 cal BMG API rock stuffed in. 28 grains of H110 powder sends it along its subsonic journey into a hard target. A nice report and big smiles from the shooter erupts.

Last is another 510 with a Lehigh Defense, controlled fracture, payload bullet. These machined brass projectiles have slots cut in for the petals to expand. Also in the nose is a .243 cal ballistic tipped bullet to shift the CG forward to improve flight characteristics.

I'm glad that you appreciated them. I enjoy sorting this stuff out and its nice when someone appreciates it.


drjim said...

Amazing work!

Kurt '45superman' Hofmann said...


I just acquired a new source of upset for the gun ban zealots (starting with the 4th paragraph). Just making sure you don't have a monopoly on the schoolgirlish giggling.

If I don't talk to you before Christmas, I hope you have the merriest.