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12 people online in the last 60 minutes - 1 members, 1 anon and 10 guests. (Most ever was 121 at 02:27:28 Wed Oct 19 2011) camracer |
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SONYtec 12:45:07 Thu May 6 2010 Offline 3691 posts BBMG LIFE BLASTER +2000 .gif) Reply |
Quite a build!
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triton 01:01:34 Thu Mar 30 2006 Offline 73 posts BBMG Colonel Reply |
looks AMAZING man! keep it up!
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miltecarms 16:58:42 Tue Mar 28 2006 Offline 211 posts BBMG Brigadier General * Reply |
gears80,
I will be using a remote set up with Co2. The internals are designed for Co2, HPA, and Nitro. gasses; this is one of the reason I chose to use this particular pb gun parts. It can also use a tank, which would thread on to the rear. The mag will be locaded on the front, under side of the receiver/ trigger frame like a traditional firearm. I have seen some drill presses for 50 bucks (small ones) that would handle all the jobs that I have ever needed to take care of; I just haven't purchased one yet... A mini mill would be great, but I havent seen any on the cheap. Once this is built I plan on making an exact copy with greater attention to detail. | ||||
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Sgt_Pepper 07:06:14 Tue Mar 28 2006 Offline 145 posts BBMG Brigadier General *  Reply |
Even better would be a mini mill to cut those slots as well.
A drill press is an investment you won't regret. Stainless is nasty whatever machine you use on it, but I suppose you pay the price for looks. | ||||
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gears80 04:52:53 Tue Mar 28 2006 Offline 83 posts BBMG Colonel Reply |
Are you useing onboard air or remote? The biggest challange for me is to figure out how to keep everything on the gun.
One other question, where is your mag going to be located in relation to the trigger because that will tell you how long the barrel will be. The longer the barrel the better. When you get a drill press you will open up a whole new world. | ||||
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miltecarms 01:31:07 Tue Mar 28 2006 Offline 211 posts BBMG Brigadier General * Reply |
Thanks. It is a little heafty, but not to heavy. I decided to not make a butt stock since it too would add more weight, and I decided to make it more like a machine pistol instead-small, compact, and extremely portable.
I don't have a drill press, so it really isn't exactly how I would like it to be. I am cutting the stainless with a jig saw! That is a pain in the *ss, even with metal cutting blades. If I had a drill press I could be more precise with everthing; my wife says I'm just anal. | ||||
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Sgt_Pepper 00:53:01 Tue Mar 28 2006 Offline 145 posts BBMG Brigadier General * Reply |
Looks good so far, can't wait for the video. One of the guns I'm working on now is of quite similar construction,
and the select fire trigger I designed will work with the same 'notched rod' setup. Your gun must have a good heft with all that stainless, which is good for keeping the muzzle down! | ||||
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miltecarms 15:31:34 Mon Mar 27 2006 Offline 211 posts BBMG Brigadier General * Reply |
The second picture up from the bottom shows what is from the Brass Eagle Stingray pb gun. In the picture, you will see the internal Co2 engine-that is the item. The trigger frame is from a earlier vesionTipman mod. 98. The meatal is stainless angle which can be purchased from almost any hardware store.
The photo of the rear of gun is somewhat an illusion-it looks unsquare and catawampous, but actually is not-it is square. I think it is due to the angle in which I am holding it. For a semi/auto conversion: #1 Dissassemble the trigger group #2 Take the trigger itself apart (there is a sear catch on the trigger held in place w/a pin and spring) #3 file down the inner side (bottom) of the sear catch (the side touching the trigger) so it now can pivot outward more. #4 drill a hole through the trigger frame directly behind where the trigger sear is (when assem. you should be able to see the sear through the hole). #5 Use a bolt or rod that fits nicely through the hole. Notch the rod a little more than half way at a thickness a little wider than the sear. When the notched area is on the sear side it permits the sear to be outward more (full auto). When the rod is rotated to the un-notched side it only allows the sear to more a little (semi). | ||||
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gears80 05:45:08 Mon Mar 27 2006 Offline 83 posts BBMG Colonel Reply |
Interesting. Are these the parts from a brass eagle? I have been looking at them on ebay and it seems like they are semi auto. What did you do to make it full auto? If you hold the sear down does it just cycle till you release it? Thanks for the pictures.
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miltecarms 02:43:29 Mon Mar 27 2006 Offline 211 posts BBMG Brigadier General * Reply |
Lower photo is of the rear of the gun. This is where the Co2 tank and/or remote line will hook in. I will be using a remote line.
The parts still need to be finalized before I paint them (filed down, brushed etc.). These photo's are mearly to let you all see how it is comming along-not nearly finished yet. When the gun is finished it will look like a combination of a G-36/Tec-9/Mac-11 type gun, and will certainly lay down some serious fire power. It does not shoot at the ROF of a venturi gun, but does shoot around 10-15 rps and has a velocity of 850+ fps-much like a real weapon. I intend show a video of the damage it does to one inch thick plywood, and not that OSB crap, actual plywood. | ||||
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miltecarms 02:26:29 Mon Mar 27 2006 Offline 211 posts BBMG Brigadier General * Reply |
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miltecarms 23:46:09 Sun Mar 26 2006 Offline 211 posts BBMG Brigadier General * Reply |
I still have a lot to do like construct the mag hold, barrel work, and a stock perhaps.
If I figure out how to post video I will do that as well... | ||||
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miltecarms 23:32:36 Sun Mar 26 2006 Offline 211 posts BBMG Brigadier General * Reply |
Photo is of the upper receiver and barrel assembly applied
 [IMG] | ||||
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miltecarms 23:21:00 Sun Mar 26 2006 Offline 211 posts BBMG Brigadier General * Reply |
Ok guys, here in a few I'll have some more photo's (my camera batteries are dead).
Just to let you all know, you CAN use an airsoft magazine for feeding .177 (4.5mm) BB's. To make one work this is what you have to do: #1 Take the mag (AEG windup type) completely take it apart; #2 Buy 1mm gasket sheet material; #3 Cut out the gasket material precisely to fit in/on the mag walls (left and right halves, where the BB's are only!) #4 Precisely apply gasket material to 'feed tube' area, applying the material to the bottom wall, and left and right wall of both halves of the mag all the way up to the point where the BB's come out of the mag. Use a thin but tight bonding glue so the gasket material is even thickness throughout the applied areas. I did this and IT DOES WORK TIME AND TIME AGAIN. If your take one of these mags apart and study how they work you will see that the 6mm BB's fit precisely inside of the mag to cancel out any slop. Also, the feed gear is designed to push 2 BB's at a time (tooth spacing permits this). 3 standard (4.5mm/.177cal) will feed in the standard mag gear pitch, which turns out to be more reliable than feedind two at a time of the airsoft BB's. | ||||
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miltecarms 16:06:51 Sun Mar 26 2006 Offline 211 posts BBMG Brigadier General * Reply |
Here is the lower receiver for the BB gun that I am building. I will post more photo's as soon as the project permits.
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