Hello gentlemen,
I have been doing LOTS of reading here on the forum. Finally decided to join as I get near ready for my first Form 1 supressor build. I have just had my trust created and I am right around the corner from submitting my Form 1 to build my first supressor and register/build my first SBR chambered in 300 BLK. I am aware that I may not begin construction until I receive my cancelled stamp. It is time, however, to put a solid plan together. I was originally going to just throw together a aluminum tube w/ freeze plugs and solvent trap adapters, but upon reading that they may not be changed internally after construction, I wante to put more thought and energy into it and do it right the first time.

The goal for my first project is to build a supressor that can run on my 10.5" 300BLK SBR(currently a pistol), my Rem 700 SPS AAC-SD .308 and possibly function somewhat well on my other 223/556 AR's and Sig 551-A1. A bonus would be that it could survive on my 300 WM. Those are goals.

I have a nice lathe, 40 T press, drill press, TIG at my disposal and have been reading up on running a lathe and a machinist that is going to help teach me some things on the lathe. This will be my first true lathe project (aside from some spindles I built for my 2 YO sons dropped beam Radio Flyer wagon that I built. I do NOT have a mill, but have two friends with mills. If I could avoid using a mill, I'd prefer that. If I need to ask for help with some milling, I want it to be minimal.

So, I don't expect you folks to spell out what I should do here. I wanted to have a place to ask questions and use as a sound board to bounce ideas off of. So, here it goes:

My first question is, is there some recommended reading on supressor theory that anyone could point me to?
Maybe a list of FAQ's and terms/acronyms?
What expectations shall I have of a supressor made without a mill? I want to start practicing some threading/knifing etc on the lathe to acquire some basic skills before learning on an actual supressor.
Shall I still consider the use of freeze plugs? Perhaps a stainless or titanium valve retainer for the blast cone?
I was considering a muzzle brake from SDTA or the sort to start with. Then I could install a muzzle brake on each rifle that I wanted to use supressor on.
Is there any VERY basic version of CAD software, etc to help planning that would be cheap or free, or should I just make line drawings on paper?
I've perused the projects thread and it's very impressive! Are there some "guidelines" that I need to meet to build this supressor strong enough to take supersonic versions of the calibers noted above?
I know that I have SO MUCH to learn!

I am basically trying to learn the best way to go about a .30 caliber supressor that can be built with a lathe and withstand supersonic fire from my .30 caliber rifles.

I'll have many more questions and will post them along the way here.

Thank you all so very much!

Nik C.

Something to consider .. the SDTA muzzle brake/endcap combo has no retention device to keep the can tight . IIRC he does sell endcaps for yankee hill and possibly another manufacturer that have retention schemes built in to keep the can tight on the rifle .

Welcome.
Since a lot of the veteran members here have beaten 300blk builds to death, my suggestions would be:
First:
Search the 300blk build threads, on the site. There will be a bunch of stuff already answered
there.
Second:
Check out the completed builds thread. Tons of info there.
Third:
Come up with a design, based on what you learned. Post it up and ask for criticism.


I would recommend turned baffles, since the equipment is available. You can try to make a can that will be functional for all the calibers you mentioned, or you could make a great can for one of them. Suppressors for subsonic vs supersonic rounds are designed differently, if you want them to shine.

FarmDadCO wrote:Something to consider .. the SDTA muzzle brake/endcap combo has no retention device to keep the can tight . IIRC he does sell endcaps for yankee hill and possibly another manufacturer that have retention schemes built in to keep the can tight on the rifle .

Copy. Thank you!

Nik C.

T-Rex wrote:Welcome.
Since a lot of the veteran members here have beaten 300blk builds to death, my suggestions would be:
First:
Search the 300blk build threads, on the site. There will be a bunch of stuff already answered
there.
Second:
Check out the completed builds thread. Tons of info there.
Third:
Come up with a design, based on what you learned. Post it up and ask for criticism.


I would recommend turned baffles, since the equipment is available. You can try to make a can that will be functional for all the calibers you mentioned, or you could make a great can for one of them. Suppressors for subsonic vs supersonic rounds are designed differently, if you want them to shine.

Copy! Currently doing lots of homework. I will put a plan together and report back!

Any thoughts on basic (I.e. Free/cheap and quasi easy to use) software to help with the design aspect?

Draftsight
100% free 2d design program from the makers of SolidWorks

Sketchup Make 2015
100% free 3d design program from Google

I don't know your skill level, but I'd start w/ a 2d program.

I've built a bunch of cans, and all have been direct thread. I've never had one loosen, and that has been real world night time hunting scenarios, borderline abuse stuff. Qd stuff is cool, and I have some. But it just really seems unnecessary to me. You can make what you need with just a lathe. Build it to handle the largest caliber 300 win mag I think you said, and it'll handle all the smaller stuff.

I believe you are confused. This is about form 1 suppressor building not websites.

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