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Iconic Muffinman 12-27-2012 10:44 PM

98 Custom "Lower" Project - I Need a Machinist!
Im looking to build a custom "lower" assembly for my Tippmann 98C that replaces both the foregrip and the triggerguard with a single-piece part designed to look like an AR lower with a magazine in the magwell. Since it wont be taking any stress, a non-metallic material is perfectly acceptable. If needed I can whip up a Solidworks model and send it to the machinist.

Please post here if this is a project you are willing to undertake. :clapping:

BigOldSkool 12-27-2012 10:46 PM

If you can do solidworks than why not get it 3d printed?

But also.... all this work will cost a lot of money why not just get a receiver from an alpha black?

Iconic Muffinman 12-27-2012 11:06 PM

Id never thought about 3-D printing.. Nor do I know anyone local to me who offers it. If somebody here could 3-D print it, Id be up for that too. I am aware its going to be pricey.

To be honest, I dont want to use an Alpha Black reciever because I have a first-run 98C, with the first-generation "e-grip" kit intalled. The one that you have to hand file and fit into your receiver. It maxes out at 10BPS, but its a blast to use. It uses a gigantic pneumatic cyclinder to trip the sear. The Alpha Black frames simply wont accept the kit [without very extensive milling].

As "low" as the rate of fire it allows is, I like the older kit better because it is more robust, and has an external battery holder. No pulling apart the clamshells on a field picnic table to swap out my 9v if it dies.

BigOldSkool 12-27-2012 11:13 PM

Ah gotcha... you way want to look into the later AK47 kits that TPI made... they had a one piece magwell forgrip thing.

BigOldSkool 12-27-2012 11:17 PM


Iconic Muffinman 12-27-2012 11:35 PM

The magazine well portion of that is pretty much exactly the same as what Im starting to design, even down to the exposed original foregrip. I like how the stock trigger guard is blended in as well. The only qualm I have is that the magazine seems oddly scaled. Id like to see the mag end about a close to the trigger group as it does, but extend to much closer to the end of the magwell, similar to an AR-10.

For the fron attachment, I was thinking about something like these magazines OpsGear used to make:

Iconic Muffinman 12-27-2012 11:38 PM

Sorry for the double post, but probably the best explination I can come up with is the lower reciever portion of an ATS series marker. Thats the look Im aiming for.

EDIT: If memory serves, the trigger and magwell assemblies are the ATS marker's upper reciever.. My mistake.

alpha434 12-27-2012 11:49 PM

Send me the solidworks. I'll send you a quote.

Iconic Muffinman 12-28-2012 08:04 AM

Alpha, you 3-D print right?

Are price quotes for that dependant on the amout of material used, or runtime? I can "ultralight" my design if it goes by material. Either way, Ill send you the model after work this evening.

Iconic Muffinman 12-28-2012 03:36 PM

Ok, so, It seems my Solidworks program has expired, so it doesnt look like I can get you Solidworks drawings, Alpha. I may be able to rustle something up on another program. Are there any free drafting programs you can work with?

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