338 Lapua Magnum-recoil in slow motion

Slow motion video of my coworker Tom Griffin shooting our prototype 338 Lapua rifle: http://youtu.be/wK9MHWeFUmw

The new "MAN-TOY" rifle weighs 20 pounds with a Krieger 33" OS MHV barrel. Stock is the Kelbly '1M'. Attached muzzlebrake is a "Fat Bastard" brand. Accuracy wasn't too shabby for just picking a fireform load and a random seating depth (85g Retumbo-300g Lapua at the jam and unsized Lapua brass straight out of the box). Recoil isn't so bad, but the muzzle blast will certainly wake you up!
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Greg Walley
Kelbly's Inc.
 
Greg:

An alternate way to shoot a .338 benchrest rifle: Use the left arm to pin -- hard -- the stock against the forearm stop of the rest. You can muscle the rifle a bit in the bag with the left arm.

When I give my wife a camera for her birthday (August) I'll take a picture of a .100 group shot with a .338/404, 300 Berger Hybrids (original) and 80 grains of H4831.

BTW, When I poured water into a .338/404 case, it came out 114 grains full to overflow. Don't know what you actually get with the Lapua, but Wikipedia has the capacity exactly the same...

http://en.wikipedia.org/wiki/.338_Lapua_Magnum

Bring 'er to the IBS Nationals in West Virginia over Labor Day weekend. Be a bunch of .338s to compare.

Charles

Edit: You'll have to get her to loose 3 pounds to make Light Gun weight...
 
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Hi Charles - I'd like to use a more massive rest than the standard one we used. Tom used a standard aluminum BR rest for short-range BR guns. I'm not sure pinning the stock in this rest would work very well for this rifle.

I've always been amazed when these guys can shoot bullets as big as my little finger into sub 1/2 MOA...let alone a .100" !!

Best regards - Greg
 
Greg, just a note:

I use a standard old Hart pedestal, with a Hohen top -- nothing fancy. Yours might work.

(For a right-handed shooter) I've always found I get into far less accuracy issues muscling the rifle with the left hand. Just push forward and a down, with some force. The left arm then acts like a spring -- you need to preload it -- and takes most of the recoil.

Only problem I get is there is so much torque, the sand in the front bag starts to redistribute after a few shots. I can usually get 5 shots plus sighters before needing to attend to it.

Charles
 
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