dobey Posted October 29, 2008 Author Report Share Posted October 29, 2008 I have an adjustable stock pad from the CheyTac's M24 stock left over, I think I will use that with a steel bar style stock. I will probably go with an M4 grip as well. In this screen the stock is correct but the grip and trigger area are incomplete. Once I sort those two out, and get the heat shield/fore grip to my liking this build can get started. Link to post Share on other sites
TheKurodaVagrant Posted October 29, 2008 Report Share Posted October 29, 2008 I was skeptical at first, but this is starting to look really cool! I would add on the self-contained spent shell rack like my_plague_666 mentioned. I think it would finish the gun off nicely. Link to post Share on other sites
Stormleader Posted October 29, 2008 Report Share Posted October 29, 2008 I had this idea, It's really of no use here, but I think it's cool non-the-less. My idea is that the barrel is a tube, you have a piece cut out of it big enough that you could load a shell in from. Then, with the mag in, and the barrel back (So that the cutout is above the mag) you would push the barrel forward, fire, then rotate it 90 degres, pull it back all the way, and the shell pops out. Then you rotate it back to the normal setting and the next shell is loaded in. This would make a awsome semi-auto, the barrel going back and forth like that would be really cool. Though I dought you could get it working semi-auto. Now, as I said, it looks like you have this all figured out already, I'm just throwing out a idea. -Stormy Link to post Share on other sites
Pariah_WP Posted October 29, 2008 Report Share Posted October 29, 2008 While this is a great idea, in terms of airsoft this actually cripples the effectiveness of the 40mm grenade. They act like a shotgun blast, correct? This would reduce the spread and result in all the BBs going in the same general direction. Little can be done to curtail or modify that fact. In real life this would rock! Tossing your p-apple more effectively is brilliant! I hope you can git-r-dun though. Sounds like a neat project. TO CLARIFY: Other than that I love this a lot! Are you mounting a rail up top for optics? That would be so sweet! Gren with an optic. > Link to post Share on other sites
Pendra Posted October 30, 2008 Report Share Posted October 30, 2008 Why not turn it into a OICW http://world.guns.ru/assault/as40-r.htm or XM25 http://world.guns.ru/grenade/gl13-e.htm Link to post Share on other sites
my_plague_666 Posted October 30, 2008 Report Share Posted October 30, 2008 While this is a great idea, in terms of airsoft this actually cripples the effectiveness of the 40mm grenade. They act like a shotgun blast, correct? This would reduce the spread and result in all the BBs going in the same general direction. Little can be done to curtail or modify that fact. In real life this would rock! Tossing your p-apple more effectively is brilliant! I hope you can git-r-dun though. Sounds like a neat project. he wouldnt have to use tightbores, fairly loose AEG barrels would do the trick. the barrels would serve more as a way of increasing range beyond that of any old M203. Link to post Share on other sites
Stormleader Posted October 30, 2008 Report Share Posted October 30, 2008 Yeah, but I wonder how long would be good? I'm really not sure how much pressure on of the barrels from the grenade puts out, but you would have to be careful that you wouldn't have too long of a barrel. -Stormy Link to post Share on other sites
Vassily Posted October 31, 2008 Report Share Posted October 31, 2008 as im a bit of an ak/ classic rifle fan, i would like to see this with a wood stock, below ive shown a very rushed drawing in paint of it, the grey r the features u have done, the brown is wood, orange where the wood hides your metal, black is my metal addition. ive shown it with flip up iron sights, also i have positioned a second "mag" beside the original, the shells are passed into this second magesine as they are edjected.... the stock looks very similar to a dragunov (my ak influence lol!). i suppose most people would be intrested in somthing new, but when i buy a gun, i buy a gun, not a plastic toy... (hehe m4's...) Edit; helps if i actually attach the picture...... Link to post Share on other sites
my_plague_666 Posted October 31, 2008 Report Share Posted October 31, 2008 Yeah, but I wonder how long would be good? I'm really not sure how much pressure on of the barrels from the grenade puts out, but you would have to be careful that you wouldn't have too long of a barrel. -Stormy IIRC dobey said he worked out the optimum length on the previous page. Link to post Share on other sites
Azulsky Posted November 2, 2008 Report Share Posted November 2, 2008 This seems to be in line with your project somewhat? Do you think this is doable for short 40mm shells? Link to post Share on other sites
Stormleader Posted November 2, 2008 Report Share Posted November 2, 2008 IIRC dobey said he worked out the optimum length on the previous page. Oops, I ment about using AEG barrels, I believe Dobey was talking about the "Main" barrel. Sorry for the confusion. -Stormy Link to post Share on other sites
TDS Posted November 7, 2008 Report Share Posted November 7, 2008 Note: dobey I know you have tried firing a m203 before and know their performance Have you thought of machining a little "cam" style area to the front of your shells so they "semi" line up with some spring loaded internal barrels with hopup? There was an old system ment for the m79 here: http://www.wgcshop.com/WGC_Shop/images/mm_pt_m79fseibs.jpg You'd be limited to one type of shell however with hop and extended barrels you could push your engagement distances way out there =) Link to post Share on other sites
yubbermax Posted November 7, 2008 Report Share Posted November 7, 2008 In case you're wondering, WGC still has the extended barrels. http://www.wgcshop.com/pcart/shopper.php?i...FSEIBS_srch_m79 Link to post Share on other sites
TDS Posted November 7, 2008 Report Share Posted November 7, 2008 but they only fit crappy, outdated grenades Link to post Share on other sites
dobey Posted November 7, 2008 Author Report Share Posted November 7, 2008 The material showed up today for this build. I have a skirmish tomorrow so it will have to wait until Sunday to get things started though. Look for updates then. Link to post Share on other sites
dobey Posted November 9, 2008 Author Report Share Posted November 9, 2008 I started work on the gun today, got the flash hider made. Here it is with a regular M4 type flash hider for scale: And with it on the barrel and a MadBul grenade for scale: Link to post Share on other sites
m98man Posted November 9, 2008 Report Share Posted November 9, 2008 Looks absolutely awesome!!! I agree with (d'oh! I can't remember whose idea this was, but you know who you are!) whoever said to make the shell catcher hooked to the ejection port. That would look absolutely badass if it was just the little rims on the sides, as you could see the grenades you've fired. Or you could make a plexiglass "window" for the shell catcher and/or magazine so you know how many you've fired. I also say you should make a small plexiglass window on the bottom of the launcher so you can check and see if you have a round chambered. Or at least have some way to tell when you have a round chambered. As I said, it looks absolutely awesome! Link to post Share on other sites
sadigh Posted November 10, 2008 Report Share Posted November 10, 2008 From looking at your CAD drawings, seems to me that your a little limited in terms of mounting area for a stock. Just thinking, is it neccesary for the bolt to be the same diameter as the shells? If it was narrower, then perhaps you could mount a buffer tube on the back of the receiver so you have plenty of options? Just an idea, a slot could be cut into the bolt, to make it look and function similar to that of an M4 bolt carrier, then you could use an M4 stlye hammer to fire the shells also? Link to post Share on other sites
DesertFoxRomel Posted November 10, 2008 Report Share Posted November 10, 2008 are you still open to design ideas? I saw a Biathalon rifle at the range a few days ago, and man is that slick and fast loading. MS paint incoming. Link to post Share on other sites
dobey Posted November 10, 2008 Author Report Share Posted November 10, 2008 I started on the receiver this morning, here is the raw piece of material (as always this is all 6061 T6 aluminum). I have been using the engine lathe exclusively for this build so far because all the pieces are just massive, here is the receiver with its 5.5 degree taper on it: And the business end of things: Link to post Share on other sites
TDS Posted November 10, 2008 Report Share Posted November 10, 2008 I agree with (d'oh! I can't remember whose idea this was, but you know who you are!) whoever said to make the shell catcher hooked to the ejection port. That would look absolutely badass if it was just the little rims on the sides, as you could see the grenades you've fired. That would be awesome, have two "rails" that just grab the front and back of the shell as they stack up Link to post Share on other sites
Stormleader Posted November 11, 2008 Report Share Posted November 11, 2008 I don't really think a shell catcher like that would look very good, I think it would be too wide. I think that a bag would be the best looking, or just not have one at all. -Stormy Link to post Share on other sites
chownsy Posted November 21, 2008 Report Share Posted November 21, 2008 any updates on this??? Link to post Share on other sites
dobey Posted November 24, 2008 Author Report Share Posted November 24, 2008 All the grenades and charger are here from Evike.com. Fast shipping after we decided what exactly I needed for the project. I am getting to work on the magazine and the mag-well today after lunch. Link to post Share on other sites
Docv400 Posted November 24, 2008 Report Share Posted November 24, 2008 Mmmmmmmm...freshly machined Alloy I think it'd look great with a side entry magazine myself, as it appears in the third pic in post #24. Or maybe even a top-loader? Either way, you could then have the catch-tray/bag underneath. Link to post Share on other sites
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