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Centerfire Rifles - Semiautomatic or Gas Operated Centerfire rifles, carbines and other gas operated rifles.

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  #41  
Old 07-05-2013, 10:17 PM
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Nice idea. Love to see innovation. 9 times out of 10 it's usually "if it's not broke, don't fix it", but then you never get to see anything interesting like this.
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  #42  
Old 07-05-2013, 10:21 PM
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Quote:
Originally Posted by MrPlink View Post
Lol at reciprocating charging handles being unsafe!
Yeah, they seem to work OK on AKs...
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  #43  
Old 07-05-2013, 10:24 PM
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Quote:
Originally Posted by Scuba951 View Post
So. Much. Want.

Patent that beezy ASAP.
Too late to patent it since he has already publicized it.
You patent ideas BEFORE you publicize them.
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  #44  
Old 07-06-2013, 4:29 AM
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Nice idea well done Sir.
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  #45  
Old 07-06-2013, 6:22 AM
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Great idea, but I'm concerned with it bending to the left which is common with single sided charging of an AR. Also cracking/breaking at the U channel since that area will be work hardened when actuated. A broken charging handle will be catastrophic failure for your rifle.
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  #46  
Old 07-06-2013, 7:15 AM
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Quote:
Originally Posted by MrPlink View Post
Lol at reciprocating charging handles being unsafe!


I thought they were-----that's why about 70 million AKs have them. Pete
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  #47  
Old 07-06-2013, 7:52 AM
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I noticed in the video you're using it in conjunction with a BAD lever, doesn't the BAD lever basically resolve the same issues that your charging handle does for a fourth the cost?? Not trying to crap on your idea, just trying to understand.
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  #48  
Old 07-06-2013, 8:02 AM
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Nice design. I'd patent and sell it =)
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  #49  
Old 07-06-2013, 9:08 AM
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Quote:
Originally Posted by ar15barrels View Post
Too late to patent it since he has already publicized it.
You patent ideas BEFORE you publicize them.
That was true as of March 16, 2013. The US is now First Inventor to File (FITF) and no longer First to Invent (FTI). As I understand it, public disclosure by the inventor does not invalidate patentability as long as the filing takes place within a year. But it also means that someone that sees this invention and builds their own can get a patent if they are the first to file even if they were not the first to invent. So disclosures may be used to vet out prior art or refine the invention, but at your own risk. I will add that some believe that disclosures like this one will actually protect the inventor. There are other nuances to the changes in patent law, I recommend all inventors to read up and consult counsel as strategies need to be amended.

Good luck.
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Last edited by totus44; 07-06-2013 at 9:10 AM..
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  #50  
Old 07-06-2013, 9:55 AM
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Quote:
Originally Posted by totus44 View Post
That was true as of March 16, 2013. The US is now First Inventor to File (FITF) and no longer First to Invent (FTI). As I understand it, public disclosure by the inventor does not invalidate patentability as long as the filing takes place within a year. But it also means that someone that sees this invention and builds their own can get a patent if they are the first to file even if they were not the first to invent. So disclosures may be used to vet out prior art or refine the invention, but at your own risk. I will add that some believe that disclosures like this one will actually protect the inventor. There are other nuances to the changes in patent law, I recommend all inventors to read up and consult counsel as strategies need to be amended.

Good luck.
Very interesting.
Thanks for the heads-up on the recent changes...
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  #51  
Old 07-06-2013, 9:58 AM
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Interesting design...keeping my eye on it.
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  #52  
Old 07-06-2013, 10:16 AM
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Have you had a stress test done to see where the breaking point is on the u-channel? That would be an interesting bit of data that could help you sell your product....or give you the data to NOT sell it, yet.


I would conduct an outward pull test with it in battery and fully locked back. Would it put stress on the upper receiver at the slot opening? I would imagine that the wall of the upper where the charging handle slot is would start to give being that the upper was not designed for stress in that area.
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  #53  
Old 07-06-2013, 10:27 AM
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Quote:
Originally Posted by Fritz265 View Post
I touch the charging handle once, maybe twice on any given range visit so it would be just cool factor for me.
True that.
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  #54  
Old 07-06-2013, 10:30 AM
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it would be much better in steel but neat idea

i was thinking about an idea where you turn the gas tube into the cocking handle but it got to complicated
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  #55  
Old 07-06-2013, 10:55 AM
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Quote:
Originally Posted by Munny$hot View Post
Great idea, but I'm concerned with it bending to the left which is common with single sided charging of an AR. Also cracking/breaking at the U channel since that area will be work hardened when actuated. A broken charging handle will be catastrophic failure for your rifle.
^^this was the first thing I thought about when I saw the design. Would like to hear input about this from the inventor. Broken charging handles often occur when someone pulls and yanks to a side.
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  #56  
Old 07-06-2013, 11:01 AM
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Very nice.
We're an 07 FFL. When you have Manufacturer/Dealer pricing, please send me an email.
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  #57  
Old 07-06-2013, 2:13 PM
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Quote:
Originally Posted by Colt-45 View Post
^^this was the first thing I thought about when I saw the design. Would like to hear input about this from the inventor. Broken charging handles often occur when someone pulls and yanks to a side.
I did mention I have been working on this for a year right?


I started with 6061, no go, then tried annealed 7075, close but not up to snuff, then I used 7075 with a T6 heat treat, making it about the same strength as mild steel, presto!

The original prototype has been charged thousands of times, so far the only wear is anodizing coming off the right side, but other than the finish rubbing off one side, there is no other wear, and I have not been able to break it.

These are going to be sold with a 5yr warranty, so put your minds at ease, if you break it, I'll send you a new one.

As far as the finish goes, the prototype run was finished with standard chromic acid anodizing, the comercial run will be type III mil spec sulfuric acid type anodizing, so the finish will look and wear much better.

Last edited by saberforge; 07-06-2013 at 4:07 PM..
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  #58  
Old 07-06-2013, 6:48 PM
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Very cool. In line to buy.
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  #59  
Old 07-06-2013, 6:51 PM
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Quote:
Originally Posted by saberforge View Post
I did mention I have been working on this for a year right?


Yes, but that issue wasn't address directly, other people in addition to myself had the question. Now you have addressed it.
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  #60  
Old 07-06-2013, 11:14 PM
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I would certainly like to try one of these.
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  #61  
Old 07-06-2013, 11:47 PM
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Sorry colt, I take pride in my work, I don't make inferior parts, I didn't mean to come across rude.
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  #62  
Old 07-07-2013, 9:13 AM
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I've seen a bunch of milled charging handles bend to the right due to single handed charging and it seems it will be multiplied by your side charger due to the lever affect it has due to its distance from where the standard T handle is located. Also if your handle material is harder than the upper will it not wear upper irregularly instead? Its great you did a year of r&d and I know no product is perfect, I'm just wondering if you have addressed this and other scenarios that may come up.
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  #63  
Old 07-07-2013, 10:26 AM
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its very clever i'm so curious how difficult it is to install it seems very close to not have clearance

also i wonder if you put the handle half way instead of all the way forward it may make it double strong
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  #64  
Old 07-07-2013, 10:54 AM
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Tag for later - great concept!
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  #65  
Old 07-07-2013, 11:02 AM
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Can you flip it around for left handed AR's?
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  #66  
Old 07-07-2013, 4:30 PM
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Nope, ejection port and the deflection wedge are in the way.
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  #67  
Old 07-07-2013, 4:42 PM
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Digg it - nice work!
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  #68  
Old 07-07-2013, 5:52 PM
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I likes!!
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  #69  
Old 07-07-2013, 6:26 PM
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Quote:
Originally Posted by saberforge View Post
I have been working on this for about a year, and its finally finished.

Its a no gun smithing required upgrade for the ar-15, it fixes the design flaw of the original charging handle, allowing the operator to maintain his main hand grip on the fire control, while his off hand pulls the side charger back and engages the bolt lock.

I have to say, I am extremely proud of this design, it's my first (but definitely not my last) 100% original gun part, and I think I came out of the corner swinging.

It's not for sale on calguns, so don't ask, I just wanted to show off all my hard work.

Video

http://www.youtube.com/watch?v=Oi-GNppUQi8






I`m wondering...what distributors have you contacted in regards to your product...midway usa, thordsen customs, cheaper than dirt etc....since I run a featureless ar-15, this would be a great addition to my rifle...this would solve my problem of charging my rifle while in prone position....ill be ordering one of these for sure.
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  #70  
Old 07-07-2013, 6:38 PM
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post for tracking. interested.

EDIT: After watching the video, I would like to suggest angling (or having the option to) the charging handle downward at about 20 or 35 degrees so that risers are not required with EOTechs and that scope rings, etc. clear better.

Last edited by penguinofsleep; 07-08-2013 at 12:29 AM..
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  #71  
Old 07-08-2013, 8:54 AM
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Quote:
Originally Posted by saberforge View Post
I did mention I have been working on this for a year right?


I started with 6061, no go, then tried annealed 7075, close but not up to snuff, then I used 7075 with a T6 heat treat, making it about the same strength as mild steel, presto!

The original prototype has been charged thousands of times, so far the only wear is anodizing coming off the right side, but other than the finish rubbing off one side, there is no other wear, and I have not been able to break it.

These are going to be sold with a 5yr warranty, so put your minds at ease, if you break it, I'll send you a new one.

As far as the finish goes, the prototype run was finished with standard chromic acid anodizing, the comercial run will be type III mil spec sulfuric acid type anodizing, so the finish will look and wear much better.
First and foremost, I really like the idea. With that being said I believe the concerns about failure are real.

Did you run FEA on this thing? If you broke the 6061 somewhat quickly then I can not see the 7075 surviving significantly longer. Both alloys will fatigue.

Also, that sharp corner is a major stress riser right where the arm will see the greatest bending moment.
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  #72  
Old 07-08-2013, 9:23 AM
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not a problem for those lefty uppers, there is still a little room for a lefty version i think

Quote:
Originally Posted by saberforge View Post
Nope, ejection port and the deflection wedge are in the way.
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  #73  
Old 07-08-2013, 9:32 AM
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Great idea, I love seeing innovation like this. I shoot close to NTCH, and pulling the charging handle back while getting a good cheek weld is a pain. Tagged, definitely interested in trying one.

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  #74  
Old 07-08-2013, 9:59 AM
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Quote:
Originally Posted by akoba View Post
It's the same concept and design of this one. Right?
siyanga,ikawnga, whatever is right, it looks different from that one but its the same. I prefer to use BCM gunfighter charging handle, just extend your shooting arm a little bit and pull the charging handle and your GTG.
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  #75  
Old 07-08-2013, 3:05 PM
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Quote:
Originally Posted by saberforge View Post
I did mention I have been working on this for a year right?


I started with 6061, no go, then tried annealed 7075, close but not up to snuff, then I used 7075 with a T6 heat treat, making it about the same strength as mild steel, presto!

The original prototype has been charged thousands of times, so far the only wear is anodizing coming off the right side, but other than the finish rubbing off one side, there is no other wear, and I have not been able to break it.

These are going to be sold with a 5yr warranty, so put your minds at ease, if you break it, I'll send you a new one.

As far as the finish goes, the prototype run was finished with standard chromic acid anodizing, the comercial run will be type III mil spec sulfuric acid type anodizing, so the finish will look and wear much better.
You do any FEA on it? You might want to radius the inside corner where the extension meets rear portion of the charging handle. That sharp inside corner screams stress riser.
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  #76  
Old 07-08-2013, 8:35 PM
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Not sure why the OP never came back to post that his product is available on ebay now....

http://www.ebay.com/itm/GFGear-Side-...item3f26d7282e
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  #77  
Old 07-08-2013, 9:06 PM
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Quote:
Originally Posted by pc_load_letter View Post
Not sure why the OP never came back to post that his product is available on ebay now....

http://www.ebay.com/itm/GFGear-Side-...item3f26d7282e
He DID post that he was selling the older generation on eBay and that there was a newer generation coming out.
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  #78  
Old 07-08-2013, 9:15 PM
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Meh... Extended charging handle like bcm PRI, etc. And bad lever can do the same thing. Pull bolt back with left hand and push bad lever up with right trigger finger.
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  #79  
Old 07-09-2013, 8:48 AM
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Quote:
Originally Posted by coma13 View Post
You do any FEA on it? You might want to radius the inside corner where the extension meets rear portion of the charging handle. That sharp inside corner screams stress riser.
Using a radius would help on that section, but I'm also concerned with where the milled out gas key channel is and where it meets the T portion of the charging handle. IMHO its probably the weakest part of this idea because of the lever effect and bending action to the right an extended handle will have on this area. 7075 T-6 will work harden and will eventually break. It's always a good idea to charge an AR using both sides of the T handle as it was designed to be done.
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  #80  
Old 07-17-2013, 12:25 PM
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Tagged. Waiting for Type III production units to determine.
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