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Thumbscrew for KMW Loggerhead Hardware

sentry1

Crayon Eater
Full Member
Minuteman
Jul 7, 2012
1,991
5
41
Madison, Alabama
I'd like to get a thumbscrew to replace the crossbolt that comes with the KMW hardware. I find that I need to shift the cheekpiece a bit when going from the bench to a prone position.

I'm looking for something sort of like what McMillan has on their adjustable cheekpiece. Unfortunately, googling 'thumbscrew' turns up screws with very small knurled heads. Any ideas?

A5-Adj-Cheekpiece-single.jpg
 
Re: Thumbscrew for KMW Loggerhead Hardware

Anyone know the specs on the cross bolt? 1/4-20 or something like that?
 
Re: Thumbscrew for KMW Loggerhead Hardware

1/4"-28 is the cross bolt size.

By Jan 1, KMW will have an exterior Tension Knob for its LoggerHead hardware. The hardware was specifically designed for low profile, no snag points and minimum number of cuts/holes in the host stock. No exterior knob was ever intended.

Now due to increased requests for a "no tools" release method, I will be offering the knob that was originally designed for the MACS project in 2009.

It will certainly not be a knurled thumbscrew. These are too obtrusive. They wear a hole in any other gear they rub against and they do not offer good torque with typical hand strength without getting ridiculously large in diameter.

The new accessory will be a 4 fingered tension knob that is debured, chamfered and has a dome shaped profile to hug the side of the stock. Material will be 6061-T6 with hardcoat anodized finish. Brass spacer bushings will come with each so that he user can set up the part to minimum clearance with the sides of various stocks on the market. Just like the original cross bolt, this part can be reversed from right side to left side in less than 30 seconds.

Photos of the original pattern I am using (in the white). Production parts will be low viz, matte black hardcoat.
8252010013.jpg

942010004.jpg


 
Re: Thumbscrew for KMW Loggerhead Hardware

I heard they were already available at Midway.
laugh.gif
 
Re: Thumbscrew for KMW Loggerhead Hardware

Terry Looke excellent. Any chance I can pre-order several of the knobs? I'm running your cheek gear on all but 2 of my rifles.

Jeffvn
 
Re: Thumbscrew for KMW Loggerhead Hardware

Hah! Mr. Funny Pants.....That would be about right RAD. You just try to behave and stay out of trouble.

Jeffvn: I appreciate the interest but won't be taking any pre-orders. That would be a sure fire way of me jinxing the delivery dates. I will make a post on here and a few other forums when they are ready and I will make sure I have you on the front burner.

Thanks,
 
Re: Thumbscrew for KMW Loggerhead Hardware

Thanks for the update Terry, I'll be looking forward to you releasing this hardware!
 
I know this is way old,
But has anything ever happened with this thumb screw? I checked the KMW web sight and could not find it on there, and never got a response to my email. I am one of those people that do not want to have to use a tool to adjust my cheek rest, or to remove it to clean my rifle.
 
The one I have on my A3 w/ KMW hardware is from Controlled Chaos Arms...