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The Explosives and Weapons Forum > Military Science > Gunsmithing and Firearm Modification > Blueprints for .50BMG - Archive File
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March 17th, 2003, 08:41 PM Anthony
DocPhelps A new voice Posts: 3
From: Backwoods, Kentucky Registered: JAN 2001
posted January 15, 2001 11:02 PM
---
Does anyone have any blueprints for the .50BMG. I've seen then on the web for around $120.00 to $175.00 but after material cost that's a little to high for me. - - - - DocPhelps Mmanwitgun Frequent Poster Posts: 170 From: Registered: SEP 2000 posted January 16, 2001 12:37 PM ---
If you make a .50 gun, I can give you one peice of advice. Buy the barrel. When you are using something as powerful as that you don't want to fuck around w ith a homemade barrel. ~Dave Agent Blak Frequent Poster Posts: 765 From: Sk. Canada Registered: SEP 2000 posted January 16, 2001 01:57 PM --- Boo Hoo...*Sobing*
Know how am I supposed to kill Myself and make it look like an accident.
>;-|>
- - - - A wise man once said:
"... As He Waits For The Time When The Last Become First And, The First Shall Become last"
--RATM Agent Blak---OUT!! DaRkDwArF Frequent Poster Posts: 258 From: Australia Registered: SEP 2000 posted January 16, 2001 07:39 PM --- lol, and w here the hell do you expect to get half decent non WWII ammo for this thing?
Agent Blak Frequent Poster Posts: 765 From: Sk. Canada Registered: SEP 2000 posted January 16, 2001 08:26 PM --- Where do you expect to get a .50cal barrel from?
- - - - A wise man once said:
"... As He Waits For The Time When The Last Become First And, The First Shall Become last"
--RATM
Agent Blak---OUT!!
radar Frequent Poster Posts: 64
From: Redding California Registered: DEC 2000
posted January 16, 2001 08:48 PM
---
If you want ammo for it, go to a gun shop, they sell ammo for them, they cost about 40 bucks for 10 rounds though.
DocPhelps A new voice Posts: 3
From: Backwoods, Kentucky Registered: JAN 2001
posted January 16, 2001 10:40 PM
---
I bought my barrel from The Gun Parts Corp. out of NY. I paid $132.00 for a .50 cal M2HB. The ammo, I buy from Knob Creek Gun Range in West Point, KY. for $1.25 a round. I can get it in Ball, AP, & APIT. The ammo is also dated between 1974 thru 1994.
I'm working on my own design for the receiver, but the steel material is what I'm having a problem with. One shop said that I need to use 4140 or 4340 tool steel and that Stainless wasn't strong enough. But then again LAR Grizley makes them completly out of Stainless.
[This message has been edited by DocPhelps (edited January 16, 2001).]
Maddoc Moderator Posts: 536 From: Dizneland Registered: SEP 2000 posted January 17, 2001 03:46 PM ---
DOC: I want to go the Knob Creek gun/flamethrower/bang show this year. Have you ever been, what is it like. You can but .50BMG online for $2.50 per round.
I belive NBK has an M2... or am I hallucinaing from those fumes again?
- - - - Whoa, where my fingers?
Agent Blak
Log in
Frequent Poster Posts: 765 From: Sk. Canada Registered: SEP 2000 posted January 17, 2001 04:24 PM --- What are "APIT" rounds?
- - - - A wise man once said:
"... As He Waits For The Time When The Last Become First And, The First Shall Become last"
--RATM Agent Blak---OUT!! Smartguy A new voice Posts: 11 From: Registered: JAN 2001 posted January 17, 2001 05:08 PM --- Armor Piercing Incendiary Tracer
(at least, I think so..)
Checked Jane's Infantry Weapons:
APIT M20 boat tailed, pointed, steel core, 39.66 g bullet, Vo 888 m/s is indeed armor piercing incendiary tracer.
[This message has been edited by Smartguy (edited January 17, 2001).]
Agent Blak Frequent Poster Posts: 765 From: Sk. Canada Registered: SEP 2000 posted January 17, 2001 06:20 PM --- Thanx
We don't have A lot of .50cal rifles up here.
- - - - A wise man once said:
"... As He Waits For The Time When The Last Become First And, The First Shall Become last"
--RATM
Agent Blak---OUT!!
DocPhelps A new voice Posts: 3
From: Backwoods, Kentucky Registered: JAN 2001
posted January 17, 2001 08:30 PM
---
The Machine Gun shoot at Knob Creek is really something to see. Every kind of Semi or Full Auto you can think of is there. Everything from .22cal to 40mm. Flamethrowers, nighttime tracer shoots, blowing up cars w ith dyamite. You can rent a weapon from the owner, and buy the rounds, and you can fire anything you w ant to. It's really something to see. The next shoot is from april 5th thru the 8th. If you can make it it will be something you won't forget.
I will be there Saturday & sunday, hope to meet ya'll.
You w ere right. The APIT is an Armor Pierceing Incenerary Tracer round. It has a tip made of Thermite. When it hits the target the Thermite lights, and w ith that and the force of impact it drives the solid Tungsten Carbide insert through. It will penetrate 3" of armor plate at 100yds.
Send an e-mail address and I will send you a RealPlayer Clip of the Marine Corps testing different .50cal rounds
smokey A new voice Posts: 7
From: newcastle nsw australia Registered: JAN 2001
posted February 07, 2001 02:38 PM
---
you may find that the stainless steel used is 440 grade or pehaps better...have a fat time
BoB- Frequent Poster Posts: 651 From: Registered: SEP 2000 posted February 08, 2001 05:35 PM --- Anyone seen this?
<a href="http://www .birdman.org/products/jaded.htm" target="_blank">http://ww w.birdman.org/products/jaded.htm</a> hahaha. Anthony Moderator Posts: 2312 From: England Registered: SEP 2000 posted February 08, 2001 05:58 PM ---
Cool, this site again! I'd lost the URL to it. Check out some of the other stuff they've got! The 300 round Uzi mag is great!
HMTD Factory Frequent Poster Posts: 217 From: Registered: FEB 2001 posted February 08, 2001 06:57 PM --- HAHA,
I think jumping off a bridge will kill oneself without spending 28 bucks.
It is guaranteed to fire "one shot" now what is that supposed to mean? I don't even think the pipe barrel will stand the pressure. Not to mention that the gun is "breechless". Imagine some kids place their heads right next to the exposed case head trying to align
the "1X scope", what will happen if the cartridge ruptures and sends out white hot jet? If it happened in a firearm it will ruin the action, bear that in mind.
Where is the 300round uzi mag? I need to see some magazine designs.
Anthony
Moderator Posts: 2312 From: England Registered: SEP 2000 posted February 08, 2001 08:10 PM ---
<a href="http://www .birdman.org/productlist.htm" target="_blank"> http://www .birdman.org/productlist.htm</a>
vehemt Frequent Poster Posts: 580 From: Canada Registered: SEP 2000 posted February 09, 2001 01:35 PM --- The site is a joke, good site though.
The 1x scope is a beautiful piece.
Bitter Frequent Poster Posts: 291
From: 11 Dow ning Street, London, England Registered: SEP 2000
posted February 09, 2001 02:37 PM
---
Does anyone here remember when that Birdman guy posted here offering us all a discount on that KeWl gun of his ?
vehemt Frequent Poster Posts: 580 From: Canada Registered: SEP 2000 posted February 09, 2001 03:34 PM --- Hahaha, w e shouldnt have flamed him away, damnit.
My airsoft glock 17 needs some homeboy night sites.
Birdman A new voice Posts: 9 From: Registered: FEB 2001 posted February 14, 2001 01:39 PM ---
You didn't "Flame me away". I still loom here every once and a w hile. I can follow the websites where my pics are physically "linked" via the stats function on my birdman.org website. That's how I found this w ebsite (and your thread).
I think someone must have thought I was a genuine "serious business" and jumped all over me for trying to sell all of my BWS products to fellow posters. I reciprocated with some kind of reply like:
""Fine then! ... because you have failed to recognize my pow er and authority in the weapons community I w ill no longer allow any posters on this forum to purchase my products!"
... just to stir it up even more.
Sorry!
This was also meant only in humor. I hope nobody w ould actually consider taking me seriously. I have too much fun with this BWS stuff to get all pissy and such.
If anyone really DOES get mad at me, then I'll have BWS's East German Engineering Specialists "Hans" come and kick their ass!
I'll check in from time to time. New products (and video clips) coming soon.
- - - - Sincerely, Birdman
Birdman Weapons Systems, Inc
"Unfriendly Products for an Unfriendly World"
<a href="http://www .birdman.org" target="_blank"> http://www .birdman.org</a> Email: [email protected]
April 29th, 2003, 02:08 AM I_am_the_Black_one
I have plans for a .50 BMG rifle Id have built it by now if not for the barrel problems Does any one think that a barrel could e made i was thinking of something like this
Ok you have you home made 50 cal barrel coved with fibreglass matting and encased in maybe a few layers of pvc pipe I have a PDF from Crapden Press (Palden press) that states that you can make a Recoilless Rocket launcher out of pvc pipe and fibre glass you simply cover you first pvc pine in fibre glass till it get to the next size up of pipe and cover it w ith that or cut the pipe and put it over the fibre glass I think this is highly dubious as it uses "cookies" to reduce the recoil
I may start a new thread on Recoilless launchers il go search the Archives
April 29th, 2003, 03:46 PM Anthony
Don't you think that there'd be a small difference in chamber pressure between an improvised recoiless rocket launcher, and a .50BMG?!
April 29th, 2003, 11:51 PM I_am_the_Black_one
Originally posted by Anthony
Don't you think that there'd be a small difference in chamber pressure between an improvised recoiless rocket launcher, and a .50BMG?!
No I think you misunderstood me you have your home made barrel Then your fibre glass govering over that you have a pvc pipe or a aluiminum pipe this is for safty so if the pressure is to much for the orignal barrell you dont get ahhh damaged
April 30th, 2003, 01:23 AM M m a n w i t g u n 8 8
If you can't buy an old surplus barrel, not sure how I could help. Once you get past that problem you might find this link interesting Homemade 50 (http:// action_enterprise.tripod.com/FiftyPro.htm)
~Dave
April 30th, 2003, 01:25 AM HypersonicGamer
Please don't hurt yourself and buy some proper plans...
April 30th, 2003, 02:49 AM I_am_the_Black_one
Originally posted by HypersonicGamer
Please don't hurt yourself and buy some proper plans...
I do have proper plans and Id buy a barrel but What THEY dont know can Hurt THEM :D Although thanks for the concern
April 30th, 2003, 03:45 PM Anthony
If your piece of thick walled, seamless steel tubing fails, a few w raps of GRP and a PVC pipe won't save you. Better you have tw or more tubes that fit inside on another.
A piece of seamless hydraulic tubing w ould be best, even the larger diameter sizes are rated for several tens of thousands of PSI.
April 30th, 2003, 07:39 PM HypersonicGamer
You could use a car axle.
Also, the seamless hydraulic tubing would have to be fairly thick in order to work.
April 30th, 2003, 10:13 PM xyz
Not really, if it's rated for the pressures stated by Anthony then it should be fine, smokeless powder reaches pressures of about 8000psi IIRC. Plus, the powder used in .50BMG cartridges would probably be a reasonably slow one because of the size of the cartridge.
April 30th, 2003, 10:15 PM zaibatsu
For someone w ho can't buy 9mm brass, how do you expect to get the components for .50 BMG rounds? And what kind of protection do you think GRP w ill give you from a .50? Make the barrel correctly, sleeving smaller diameter tubes to increase the strength may be fine for much smaller calibres, but not for something like a .50BMG. I think the steel usually used for barrels is 4140 (correct me if I'm wrong here), get yourself a piece about 35" long by 1.5" diameter, and bore the correct hole in that. Then you've got to get a chamber reamer etc...
May 1st, 2003, 03:24 AM I_am_the_Black_one
Ok i thought we had alredy cleared this up 9mm SMG
You can buy .50 cal rounds in aus so its no problem
I was just thinking that the fibre glass pvc covering would show down frags if a rupture ocurred. Il go see if i can buy some hydrolic tubing
If not my grand father has a very large tractor...:D
May 1st, 2003, 11:25 AM HypersonicGamer
Are you saying 9mm brass for SMGs are different? Or are you saying that you can now put together a fifty after failing to construct an SMG? :confused:
May 1st, 2003, 12:32 PM zaibatsu
9mm submachine guns fire the 9mm parabellum round. So does the browning high-power (pistol), so does the SIG-Sauer P220 (pistol), so does the Beretta 92F (pistol) so does the CZ75 (pistol) so does the Steyr GB (pistol) so does the...
The ammunition used in smgs is not in any w ay different to that used in pistols to my knowledge. Whether it has higher loadings or not I can't say - but that isn't to do with a different cartridge case.
May 1st, 2003, 02:39 PM Anthony
SMGs run on bog standard pistol ammo, AFAIK.
Actually, Zaibatsu's idea is much better than the hydraulic tubing, you do have a lathe and are a machinest afterall, so it should be no problem.
May 1st, 2003, 08:39 PM xyz
Something that I have alw ays wondered, where does one find a drill bit that is 35" long so that one can drill out the barrel?
May 1st, 2003, 11:23 PM I_am_the_Black_one
Hyper sonic STFU!!! I have sevral smgs the run of the mill ammo jams them on me. Thats w hy i buy military brass and do it that w ay...
ID machine the barrel but what I was thinking about w as added safty.You cant muck around with a 50 cal cause I know who would win the Fight:D Im on the bolt for it I have for it The rest is done sept the barrel I think il use hydrollic Piping for it. Next problem is making a decent stock altough I could go to the gun store and telling I was making a toy gun for my Lil brother (I dont have one!!) And con a stock that way:D It would be sinthetic tho and need alotta mods to it :rolleyes: OH the joys of making your own firearms covertly
May 2nd, 2003, 07:16 PM kingspaz
I've had enough of this! This is why w e used to weed out the shit immidiately. It spares people from having to decypher shit like what is typed above!
Now, for the LAST time w ill you spell w ords correctly and put full stops at the end of EVERY sentence.
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The Explosives and Weapons Forum > Military Science > Gunsmithing and Firearm Modification > Having trouble understanding the plans? - Archive File View Full Version : Having trouble understanding the plans? - Archive File
March 17th, 2003, 08:51 PM Anthony Azazel Frequent Poster Posts: 91 From: ... Registered: SEP 2000 posted February 02, 2001 11:25 PM ---
ok so most of us here would have seen or had access to plans on building firearms from scratch!
Often at times i pull out these plans, look them over once but put them away because i have trouble understanding how the trigger assembly works or how this or that works... so why not make up a little discussion on all of this...
if you have any links or sites that you know of which have good definitions of the parts which make up a firearm [bolt, firing pin, trigger assmebly, sear, hammer] or has nice cut away diagrams, please paste the link on here.
If you know how to rifle barrels and all the equipment needed to do this please feel free to give your opinion or explanation.... Even if you have seen somebody make one or have had any experiences please feel free to share your knowledge. ANY INFORMATION OF SUCH NATURE TO DO WITH FABRICTION OR WORKINGS OF A FIREARM please paste it here...
im currently looking over .22 machine pistol plans... interesting but even after reading it like 4 times, i cant work out how the trigger assembly works darn it !
The Real Frequent Poster Posts: 136 From: Columbus, OH Registered: DEC 2000 posted February 02, 2001 11:40 PM ---
I don't think I've seen good plans for a making a complete firearm. I have seen good plans though for auto sears and conversion templates. <a href="http://www.araby-dalbo.com/users/1196/161/ruger.html" target="_blank">http://www.araby-dalbo.com/users/1196/161/ruger.html</a> that site if remember correctly has some drawings for full auto parts for the ruger 10/22.
Conversion are much easier than building guns from scratch. I onced helped out a guy that is a Class 2 gunsmith, I observed make a few legal conversions of Ruger 10/22's, 3 AK's and 1 SKS. The SKS was the easiest, the disconnector is located on the underside of the hammer and just sheared off. A piece of metal is welded on the trigger frame to prevent the sear from falling. In that manner the sear is engaged as long as the trigger is pulled and it the weapon keeps firing. Don't try anything with a Marlin 60, pretty hard to figure out. Azazel Frequent Poster Posts: 91 From: ... Registered: SEP 2000 posted February 18, 2001 12:38 AM --- thanx for the help bro
any other sites people ?
Agent Blak Frequent Poster Posts: 765 From: Sk. Canada Registered: SEP 2000 posted February 18, 2001 12:38 PM ---
One way you could try to rifle a barrel is to place something in side the barrel with the pattern of rifling that you want. Then you heat up the steel and hit hit the outside of the barrel. This will force it to fill the grooves and leave you with a rifling.
This just an Idea. --- A wise man once said:
"...I Am Not Much of a Dancer But, Just Wait Till The Fucking Begins" Agent Blak---OUT!! Anthony Moderator Posts: 2312 From: England Registered: SEP 2000 posted February 18, 2001 07:16 PM ---
Imagine the pressure required to do that! Isn't that how they cold form barrels nowdays? Simply squeeze trhe barrel around a "mould"?
Agent Blak Frequent Poster Posts: 765 From: Sk. Canada Registered: SEP 2000 posted February 18, 2001 09:50 PM --- I think the person that told me about it said it was a Europian method(originally). ---
A wise man once said:
"...I Am Not Much of a Dancer But, Just Wait Till The Fucking Begins" Agent Blak---OUT!! HMTD Factory Frequent Poster Posts: 217 From: Registered: FEB 2001 Log in
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posted February 18, 2001 10:44 PM
--- It's called "hammer forge"
A Ruger 10/22 Target model has a hammer forged barrel.(So does a CZ 75) Hammer forge actually hammer a block of steel
into a barrel. There are multiple hammers striking at the same time. Because the barrel is pre-stressed, so there's no stress problem in the barrel. It's also a cheaper process but it doesn't beat botton rifling.
BaDSeeD Frequent Poster Posts: 80 From: buffalo, ny Registered: SEP 2000 posted February 19, 2001 04:07 AM --- Thats button rifling HMTD
--- BaDSeeD
Knowledge is the true power, ignorrance will bring your demise.
HMTD Factory Frequent Poster Posts: 217 From: Registered: FEB 2001 posted February 19, 2001 01:13 PM --- I am glad I didn't say "bottom" rifling.
Bitter Frequent Poster Posts: 291
From: 11 Downing Street, London, England Registered: SEP 2000
posted February 19, 2001 01:24 PM
--- I suppose you had best leave 'bottom rifling' to that Tyrone chap.