Started a new curly maple for my F-Class rig UPDATE JAN.10TH, FINISHED PICS

It doesn't say anything about the width of the rear bag as long as you follow those rules...

From DCRA rules...

FTR – An FTR Class rifle is limited to .223 Remington or .308 Winchester caliber
chambers or their commercial metrification equivalents. Chamber dimensions must
conform to SAAMI or CIP dimensions. Ammunition maybe commercially made or hand
loaded as defined elsewhere in these rules. There is no restriction on bullet weight. The
FTR rifle class is limited to the use of an attached bipod and or sling as front supports,
optionally together with a rear bag, none of which provide a positive mechanical means
of returning the rifle to its precise point of aim for the next shot.. The overall weight
must not exceed 8.25 kg including all its attachments (such as, but m=not limited to, its
sights and bipod, if any)
 
Rear rests can be adjustable as per rule F2.16

"...The rifle, bipod or rear rest may, however, incorporate an integral mechanism for raising and lowering either the butt or fore- end provided that it does not contravene rule F2.3. above."
 
I solved it. I will go with an idea I had to give me flexibility to choose between a couple of options for the underside of the buttstock. I removed the wood under the buttstock, a bit like I did for the cheek riser. I will then inlet a lenght of rail, and simply slide what I want under there. I will make one bagrider with a aluminium angle for f-class, another that will be all wood, and maybe even a flat one for bench work.

Pics later. I will take a short pause this week, couple of x-mas gift to get and to wrap, last week at work (small rush, business as usual. But I will have a 2 weeks vacation to come, wife is working so I will have plenty of time to complete this project.
 
Oups! might have been wrong: the rule I cited came from the ICFRA rulebook not the DCRA but the PQRA states that the DCRA has decided to adopt the full rules of the ICFRA (http://www.pqra.org/reglements_en.html)

However, from the DCRA (section 11.15 (f)):
"Any number and type of object(s) (of any material) may be placed beneath each rest to compensate for variations in the height, slope or surface of the firing point, also beneath and around any rear sandbag or beanbag to reduce its rolling."

as long as it does not "...contain an integral windage adjustment mechanism." (11.15 (d))

What do you think?

Sorry Bob, don't want to derail your post but I know you used one in the past and that you may be planning on using one again this year.
 
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I think windage ain't elevation(so probably ok?)... and that we have too many rules to pick from...

It's interesting to me that there seems to be a "no winder than 2" " rule for stuff under the front rest/bipod... but not for the rear bag?


nice progress on the rifle Bob.
 
Because of so many overlapping rules, I went with a solid rear bag and adjustable stock. Except for the NRA, its all good everywhere else AFAIK.

At the end of the day, a big bulky rear bag set up is not comfy so it isn't ideal anyways. I am looking into a custom rear bag to fit my new stock but it will be a solid bag that sits on my mat. simple.

A 3" wide rear is going to prove more problematic to get stable and solid bag to actually work. Mine will be 1.5 to 2" depending on what the custom bag maker will accommodate. That is plenty wide enough.

Look forward to more progress as you continue to do fine work and its great to see home grown innovation.

Jerry
 
Well, looks like I cannot take a break. I inletted the rail under the buttstock, modified a bit the rail for the buttpad, and now I will have the choice of bagrider shape. For a new bag rider, I only have to prepare a block with two holes and bolts, shape as I like, make it flat, with an aluminium angle, or whatever. Two bolts and done, new bagrider !

I have no idea if I will use this feature often, but it is nice to have.













 
Tonight I decided to address the bipod and start working on the rear bag.

For the bipod, I want the stock to sit as low as I can on the ground, and go from there. So I made a notch at the forward end of the stock, I installed an insert, and when I'll arrive at the range I will simply bolt the bipod and call it done. With the notch and bolt, the bipod really make one with the stock. Beauty of it is that if I want to install a traditionnal rail setup under the stock, I will just cut the notch, refinish the tip of the stock and be done.









The shape I gave to the tip will dictate the shape of the foreend. Here you can see the line I made.



As for the rear bag, I need to lower it also. I have one of those el-cheapo Stoney Point bag. When I got it it was filled with plastic, and during the course of last season I filled it with heavy sand and it worked good. I decided to remove the soft bottom of the bag, and replace it with a plywood bottom, with a plug to fill it. The plug will be this insert with a bolt to close it. I'll just find a small funnel to fill the bag. This way I will be able to lower it about an inch or so, and I'll have a solid bottom to mount it on my base.



 
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