KTOG Forum - rails and such

mcinfantry YaBB Newbies I Love YaBB 2! Posts: 2	rails and such 10/25/09 at 16:25:12 im waiting on a rfb..... i have a lathe and mill and am anxious to try and 'trick it out' on some of the things that the aftermarket has yet to produce..... but until i get one, ill just keep on reading all your ideas!
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stymie Grand Poobah Posts: 810 Gender:	Re: rails and such Reply #1 - 10/27/09 at 10:25:00 Implant Subliminal Suggestion HERE: Everyone WANTS a KYDEX adjustable cheekrest; Make it so... !
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ormandj Junior Member I Love YaBB 2! Posts: 86	Re: rails and such Reply #2 - 10/27/09 at 11:22:21 Quote from stymie on 10/27/09 at 10:25:00: Implant Subliminal Suggestion HERE: Everyone WANTS a KYDEX adjustable cheekrest; Make it so... ! Not everyone cares if it's Kydex.
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Burt_Gummer Full Member Huntin' Graboids Posts: 208 Gender:	Speak for yourself, stymie. Reply #3 - 10/28/09 at 09:17:19 Not everyone wants an adjustable monstrosity either!
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stymie

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Re: rails and such
Reply #4 - 10/28/09 at 11:13:21

Understood... !

How about this? Describe in 200 words or less what would work for you; maybe a consensus could be established on the configuration that would be suitable for most folks. With sufficient demand, it might just get built. Wink

Form follows function & aesthetics are paramount; I don't want a MONSTROSITY either! Tongue

My ACOG sits at an elevation where I don't require an "adjustable" cheekrest. Some people might need a riser. Materials employed such as surgical rubber, aluminum & KYDEX/polymer/carbon fibre would suit me fine. I'd prefer that no modifications be required for attachment to the RFB.

I'm looking for something sturdy yet lightweight that sits about 1/4" above the rear cover with a little airflow underneath. I don't need a redundant "blast shield" that would only add unnecessary mass. It would naturally be ambidextrous. Cool

So, what floats your boat?

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Burt_Gummer

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Re: rails and such
Reply #5 - 10/28/09 at 12:15:52

I do believe the heat-buildup issue needs to be addressed.

Quote from stymie on 10/28/09 at 11:13:21:

...Form follows function & aesthetics are paramount; I don't want a MONSTROSITY either! Tongue

"Monstrosity" was a reference to some of the silly suggestions in THIS thread.

Quote from stymie on 10/28/09 at 11:13:21:

...I'd prefer that no modifications be required for attachment to the RFB.

I'm looking for something sturdy yet lightweight that sits about 1/4" above the rear cover with a little airflow underneath. I don't need a redundant "blast shield" that would only add unnecessary mass. It would naturally be ambidextrous...

I actually agree with your statement above. Speaking for myself ( Wink

), I gravitate towards the K.I.S.S. principle:

"Make everything as simple as possible, but not simpler." — Albert Einstein

This is why I think heat-dissipating coatings should be tested by Kel-Tec. I don't have a definitive solution to the problem, but if I wanted to bolt a bunch of worthless crap to my rifle, I'd by an AR Roll Eyes

...And that includes adding endless rails and such. JMHO.

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Underground

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Re: rails and such
Reply #6 - 10/29/09 at 11:26:21

I went through a lot of rounds the other day and haven't noticed any heat issues yet.

However, I would like to be able to mount a bipod. I was thinking of cutting a hole in the front of the handguard and mounting a section of rail to the inside of the handguard sticking out the front 5-6". That way I can get the bipod farther out toward the muzzle where it belongs, and it should be more stable.

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RFB308

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Re: rails and such
Reply #7 - 10/30/09 at 16:34:14

Re: What changes should be made to the RFB... ?
Reply #72 - 10/26/09 at 23:19:10 Quote
Quote from RFB308 on 10/25/09 at 15:39:04:
A simple idea for a cheek rest and heat shield would be to use either the foam or rubber pipe insulation available from Home Depot, Lowes or any hardware store in a multitude of thickness and materials.
The cost is about $3.00 for an 6'-8' piece.
It is split and has adhesive covered by thin pull-off plastic.
When I go to the range and fire about 100-200 rounds, I just slip it into place.
I am not using the adhesive at this time because I find it unnessary.

This is a genius idea, cheap, simple, flexible.

TPH

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judcargile Full Member I Love YaBB 2! Posts: 201 Gender:	Re: rails and such Reply #8 - 10/30/09 at 19:16:17 How bout fab up an under barrel 50BMG pen-gun? Keep it under 1/4lb! I will buy the tax stamp AND set you up with fees for your occupational tax..........not smart to even joke under so increasing tyranny!!!
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mcinfantry YaBB Newbies I Love YaBB 2! Posts: 2	Re: rails and such Reply #9 - 10/31/09 at 09:17:55 ha! well as soon as i can get mine, ill see what i can do!
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atp YaBB Newbies I Love YaBB 2! Posts: 9	good low-mount iron sights Reply #10 - 11/07/09 at 07:49:00 I'd say the most obvious need is for good low-mount iron sights. Preferably, sights which when folded down sit flush (or lower) with the top of the rail, but doing that right would probably require modifications to the existing optics rail.
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atp

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taller butt plate
Reply #11 - 11/07/09 at 07:58:27

Perhaps also a taller butt plate, which extends farther down so those of us with long necks can get both a good check weld and a firm mount into the shoulder pocket.

I haven't yet handled an RFB so I'm not sure whether the factory butt plate is really too short or not, but from the pictures it looks like it might be. For comparison, I find the AR-15 fixed stock A1 or A2 butt plates ok although not necessarily ideal, but the the old-style AR-15 CAR butt plates are so tiny that they're nearly unusable for me.

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stymie

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Re: rails and such
Reply #12 - 11/07/09 at 12:34:11

Quote from Underground on 10/29/09 at 11:26:21:

However, I would like to be able to mount a bipod. I was thinking of cutting a hole in the front of the handguard and mounting a section of rail to the inside of the handguard sticking out the front 5-6". That way I can get the bipod farther out toward the muzzle where it belongs, and it should be more stable.

I've seen photos of a Parker-Hale type bipod spigot designed by Kel-Tec that attaches to the RFB's barrel/accessory collar threads. The barrel structure is so rigid that I doubt you would have to contend with induced barrel flex. I would not want to cut a hole in the forend & extend a rail as it would probably put way too much stress on the polymer seam/open joint 1/2 clamshell from leverage.

Click image to enlarge

SPIGOT on an RFB... Cool

(bottom)

Click image to enlarge

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Underground

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Re: taller butt plate
Reply #13 - 11/08/09 at 17:13:40

Quote from atp on 11/07/09 at 07:58:27:

Perhaps also a taller butt plate, which extends farther down so those of us with long necks can get both a good check weld and a firm mount into the shoulder pocket.

I haven't yet handled an RFB so I'm not sure whether the factory butt plate is really too short or not, but from the pictures it looks like it might be. For comparison, I find the AR-15 fixed stock A1 or A2 butt plates ok although not necessarily ideal, but the the old-style AR-15 CAR butt plates are so tiny that they're nearly unusable for me.

This is easy to accomplish, although with the .308 you may need to attach further padding.

Just get some 1" wide or so, flat aluminum stock. Cut off a piece as long as you think you may need, and drill a couple of holes to match up with the location of the butt padd screws on the RFB.

Then remove the butt pad, and mount the piece of stock underneath. You may want to bend it into a little curve or whatever below. Once you have it like you want it, smooth all the edges out, maybe attach some foam to even it out with the rest of the butt pad, and give it a quick coat of flat paint.

You might need slightly longer screws, but possibly not.

Cheap, and you can make it fit like you want it to.

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