Homemade Suppressor

swampfoxx · Mar 20, 2015

I just purchased a "solvent trap" and submitted a Form 1 to build a suppressor. I will keep you informed of the progress. Got the idea/instructions here:

http://www.ar15.com/forums/t_6_20/4...___56k_beware__or_even_2mb_like_me______.html

swampfoxx · Mar 20, 2015

Solvent trap = 10" x 1.375" threaded steel tube with solid end cap and 1/2 - 24 threaded end cap

No baffles or holes drilled until Form 1 comes back.

topgunz1 · Mar 20, 2015

this should be interesting, good luck!

swampfoxx · Mar 20, 2015

Thanks. I have $150 in the can and $200 on the Form 1. If it gets even close to a factory can, I will be happy.

petelanca · Mar 20, 2015

how long has the form been in process?

hoghunter54 · Mar 20, 2015

swampfoxx · Mar 20, 2015

how long has the form been in process?

About 3 hours, lol.

ajridgedell · Mar 20, 2015

Just curious what caliber your planning on shooting and what the wall thickness is. I'm doing a form one also just gotta put a check in envelope and send it out.

swampfoxx · Mar 20, 2015

.223/5.56 I measure it at .085". Many have made these for 300BLK and .308. I got the steel tube cause I think aluminum is a little light for 5.56, and I didn't want to spend the extra $$ on titanium if it doesn't work. Got everything but the freeze plugs at SD Tactical. I will get the freeze plugs at NAPA for 0.69 each rather than the $2.00 SD charges. They come 12 to a pack from NAPA.

http://www.sdtacticalarms.com/Hardware_c_8.html

Magdump · Mar 20, 2015

That's gonna make for a long suppressor. Don't wanna be a know it all, but you may want to drill larger holes in the baffles toward the far end to allow for any degree of misalignment. Baffle strikes ain't no joke and the longer the can, the more chance for that to occur.

ajridgedell · Mar 20, 2015

Yeah 10" is a little longer than most 556 but nothing wrong with a little more volume especially for what you have in it!! You don't have any way to measure runout from where the 1/2-28 threads are to the end do you? Would be interesting to know how concentric it all is.

SpeedRacer · Mar 20, 2015

Something like this may be a worthwhile investment

http://geissele.com/accessories/suppressor-alignment-rod.html

Or a cheaper alternative of the same

Magdump · Mar 20, 2015

SpeedRacer said:
Something like this may be a worthwhile investment

http://geissele.com/accessories/suppressor-alignment-rod.html

Or a cheaper alternative of the same

Definitely doesn't hurt to at least eyeball down the bore through the can.
With a homemade suppressor it's wise to alow a little more of a margin too. A larger pathway for the bullet might be gratuitous

swampfoxx · Mar 21, 2015

I am a semi-retired engineer and have been building race engines since I was a teen. I am used to tolerances of .001". I have this. For my next one, I may use the shorter tube and the Griffin (or SDTA) muzzle break so the suppressor can thread to the brake.

http://www.sdtacticalarms.com/SDTA-Muzzle-Break_p_65.html

kz45 · Mar 21, 2015

Just shot one of these today on a 10.5" ar, just as quiet as a REAL silencer, doesn't look pretty but it works!! This one has been shot a lot with no problems

ajridgedell · Mar 22, 2015

kz45 said:
Just shot one of these today on a 10.5" ar, just as quiet as a REAL silencer, doesn't look pretty but it works!! This one has been shot a lot with no problems

Sweet, what length was the silencer?

swampfoxx · Mar 22, 2015

Mine is a 10.5" as well. Will be turning it into a SBR with my next stamp.

kz45 · Mar 22, 2015

ajridgedell said:
Sweet, what length was the silencer?

Around 10" or so, he used the titanium tube, you can unscrew the ends and just pore the baffles out to clean or replace

graniteJK · Mar 24, 2015

pretty cool

madmax4x4 · Mar 27, 2015

Great now I have to do this

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