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New Kid with His Bullpup

Started by LKermit, July 15, 2015, 05:39:34 PM

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1mlt

I think putting it with the 'new' trigger would be the best bet. That way it is where your trigger finger will be. I didn't consider the old trigger is actually under your nose now. I think left side would be better, especially if you run the G9. The new trigger linkage can ride just fine on the flat, unencumbered, right side of the adapter body, but the safety is actually controlled with the right thumb as in the AR 15 style. I think you can get an ambi safety release for the AR's. That would be just slick. Then either a lefty or righty can easily use it.

You know your stocks way better than me. Do you have an ideas on a safety for the new trigger? May a AR 15 style? It has a flat area that allows the trigger to clear. The rest of it is round and blocks the trigger from being pulled.


Here's one:
http://www.brownells.com/aspx/learn/learndetail.aspx?lid=14370
Marcus
There is but one language in the USA, English.
Teddy R.

LKermit

It wuld def be easier to stop the new trigger, up front, as you suggest.  I just have not come up with a workable plan.  The fact that square holes made in wood don't come easy hampers what you can do. 

I do like the idea of a right-thumb-area catch or similar idea, possibly something that would rotate 90 degrees or so, maybe with some type of claw to grab the new trigger bar. 

Hmmmmmmm....

KTF

1mlt

Quote from: LKermit on July 17, 2015, 03:46:34 PM
It wuld def be easier to stop the new trigger, up front, as you suggest.  I just have not come up with a workable plan.  The fact that square holes made in wood don't come easy hampers what you can do. 

I do like the idea of a right-thumb-area catch or similar idea, possibly something that would rotate 90 degrees or so, maybe with some type of claw to grab the new trigger bar. 

Hmmmmmmm....

KTF

No need for square holes. Drill a 3/8" (or other size) hole all the way across the stock (properly positioned of course), so it penetrates the stock from both sides. Also cut a 3/8" half moon in the trigger bar. Use an aluminum rod and cut a flat on it for the "safety off" position. When rotated, the flat will release the trigger because it rotates OUT of the half moon cut on the flat bar. When rotated back the round portion will be blocking the bar because it's in the half moon cut of the trigger bar. That will stop the linkage from moving. Simple and sweet. I don't know what to use for the actuators though. Maybe some thicker aluminum, shaped a little bit. Cut the bar long enough to stick out the thickness of a thin steel washer on each side, plus the thickness of the levers. Put the washers on the bar, attach the 2 levers. That way they clear the stock so it won't scratch the finish.

To attach the levers drill a taper hole through the lever and the bar at the same time. No tapping holes now. That way you can tap in a dowell pin and won't run the risk of a screw backing out and the going south on you. That is what we do on the G5 release. Never has a pin come out. But you can remove it if need be.

Marcus
There is but one language in the USA, English.
Teddy R.

LKermit

I think I have a workable idea for the sliding button type.

Thanks!

KTF

Dannyboy53

Welcome Kermit, glad to see you here with us.!!

LKermit

Quote from: Dannyboy53 on July 17, 2015, 06:19:44 PM
Welcome Kermit, glad to see you here with us.!!

Thanks, Dannyboy53.  It is good to be here.  This is a quality board, and I am glad I happened across it!

KTF

LKermit

Marcus:

I received the package yesterday, and I must say I am really impressed.  That is a beautiful piece of design and workmanship!

The goods news is, there won't be a lot of re-design necessary on the stock, although I will re-size some things and re-shape some others.  The mag release button hits a perfect place on the stock as-is.  I won't have to widen the stocks any more than 1/8 inch to accommodate the trigger bar, which can stay on the left side, or will work on the right side, too.

I have some black walnut on hand, so my first work-up with the G-9 will be walnut.  I can adjust the length of pull almost three inches to the shorter side now.  That will allow extra picatinny rail length up front, also.

Give me your ideal length of pull and I'll model this one to fit you.

KTF

1mlt

Quote from: LKermit on July 19, 2015, 07:59:20 AM
Marcus:

I received the package yesterday, and I must say I am really impressed.  That is a beautiful piece of design and workmanship!

The goods news is, there won't be a lot of re-design necessary on the stock, although I will re-size some things and re-shape some others.  The mag release button hits a perfect place on the stock as-is.  I won't have to widen the stocks any more than 1/8 inch to accommodate the trigger bar, which can stay on the left side, or will work on the right side, too.

I have some black walnut on hand, so my first work-up with the G-9 will be walnut.  I can adjust the length of pull almost three inches to the shorter side now.  That will allow extra picatinny rail length up front, also.

Give me your ideal length of pull and I'll model this one to fit you.

KTF

Glad to hear she arrived safely. I think the trigger bar needs to be on the right side due to the G9 mag catch bar being on the left. The trigger bar 'may' impede the G9 catch bar from releasing the mag. Also there is a 'ambi' release to be added as well. I usually shoot my SKS in a Tapco T6 with the stock collapsed. However, my current fav is in a "MC5D stock. Funny how things work out. The D, M and Sporter stocks are perfect fit for the G9 once you remove the AK insert. All you have to do is notch the front corners for some forward movement to tune the adapter. Let me know if you need some help installing the adapter. It isn't hard, but it is precise. I'll play with my LOP and let you know what it is. I have short arms being I'm 5'-8" tall.

Marcus
There is but one language in the USA, English.
Teddy R.

LKermit

Marcus:

Here are a couple of pics of my Franken-Chinese in a walnut BP with 14 inch LOP, and one of your G9's in residence. 

I have a second one in the works that has another 1 inch of LOP, because the first one makes you chicken-wing your elbow to shoot.  I will also thin down the trigger grip for smaller hands.......even mine won't fit it comfortably. 

Next is the trigger, which I'll have to bury in the right side, but that's no biggie, I made the walls extra thick, anticipating the tight fit.

KTF



1mlt

Kermit, the 2 'skirts' will have to be shortened. I guess, draw a line from the front of the skirt to 'blend with the rear curve section. You need access to the cross pin than holds the mag catch bar and the ambi release on the left. Are you going to notch the stock where the mag catch bar is? Just enough so it has some room to move? Another reason why the trigger bar needs to be on the right. And trying to get to the mag release button on the right will be problematic if you have to reach your finger into a hole. Having said that, the left side has to shorter, so the ambi has room to engage and disengage the mag catch bar. The ambi 'hangs down' about 1/2" below the bottom rear of the G9 on the left side. Plus, if the skirts are there you can't R -n- R the adapter w/o taking the stock apart.

I've mocked up the ambi and it works great. There will be 3 parts to it. 2 button head screws and the release. No mods to the G9 are required. The button heads are black. I'm thinking the ambi will be SS to match the mag catch bar. It can be retro fitted to any current G9 model in about 5-10 mins. That incudes installing the ambi, the adjustment and reinstall back into the rifle. Since it has a 'fulcrum' action, (to disengage the mag catch bar), the release must not be covered. So, the right side probably should 'mirror' the left side fro symmetry.

Does this make sense to you? Clear as bell to me.

My LOP is 14 1/2 to 15". Probably should go with 15".

Marcus
There is but one language in the USA, English.
Teddy R.

LKermit

Yep, I get it.  I'll carve on the first stock to get the second one right.  The trigger bar may have to run up and over the adapter, so that it doesn't get exposed by the trimmed skirts.

Thanks for your feedback, Marcus!

KTF

LKermit

Quote from: LKermit on August 01, 2015, 08:20:52 AM
Yep, I get it.  I'll carve on the first stock to get the second one right.  The trigger bar may have to run up and over the adapter, so that it doesn't get exposed by the trimmed skirts.

Thanks for your feedback, Marcus!

KTF

Marcus:

Here she is sans her "skirts", and there is still room for the trigger bar.   I have relieved the side where the release lever is, so no problem getting the release to work.  What else do I need to do now?

KTF



1mlt

That should do nicely. Looks like there will be sufficient clearance on both sides of the stock now. Thanks for mocking it up so fast. How long did it take you to fit the G9 into the rifle and stock? Does the mag 'pop' out when released and can you load it with 1 finger when the rifle is upside down? That is the 'sweet' spot.

Marcus
There is but one language in the USA, English.
Teddy R.

LKermit

Marcus, you are welcome.  Your product needs to get into more peoples' hands and it is my privilege to help do so.

To be honest, I still have a bit of work to do do get the mag to "pop" out.  It is still a bit tight.

I confess to being a bit worried about the modding process, but I used an old and already modded trigger group just in case I goofed.  I would say that I have a couple of hours invested so far, but I am sure that with another two or three rifles, I could have the process down to a much more reasonable time, depending of course on the rifle.

Right now, the mag lips are riding a smidge too high, and are dragging the bolt as it goes forward.  I think the mag height is good, but the lips need a bit of trimmng.

KTF

1mlt

No, don't trim the mag lips. The mag is fine as is. Do the DFB mod. That frees the bolt up to slam home. Sounds like the mag tab (the tab under the rear site trunnion) needs a 'pinch' more removed. That will move the adapter body slightly forward. Think in .001's of an inch here, not .01's.

Marcus
There is but one language in the USA, English.
Teddy R.

LKermit

Yeah, I forgot that this is a new and different bolt, so I'll do the drop free and then see where it is.

KTF

1mlt

Just touching base with you KT. How goes the battle?

Marcus
There is but one language in the USA, English.
Teddy R.

LKermit

Hi, Marcus.  I am struggling with trigger bar clearance issues.  I have made a custom set of bending pliers to help, but haven't had time to test them out.  My wife and I are in the middle of a total home remodel, and that has taken much of my time recently.

I will be free to tackle the stock again tomorrow, and hope to get the trigger working without dragging.

KTF

1mlt

Quote from: LKermit on August 23, 2015, 07:46:46 AM
Hi, Marcus.  I am struggling with trigger bar clearance issues.  I have made a custom set of bending pliers to help, but haven't had time to test them out.  My wife and I are in the middle of a total home remodel, and that has taken much of my time recently.

I will be free to tackle the stock again tomorrow, and hope to get the trigger working without dragging.

KTF

KTF, no problem, take your time, just checking on progress.

Marcus
There is but one language in the USA, English.
Teddy R.

LKermit

Marcus, at long last, it is time to pick your stain and top coat.

The stock just needs finish sanding and she'll be ready to complete.

KTF