Silent recoil spring for ar15 9mm
- Thread starter Boss94
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denimdan85
Active Member
There you go. Solved in one post.
iH8DemLibz
When All Else Fails.
Will that work with the lower pressure developed by the 9mm round?
denimdan85
Active Member
This is their lightweight spring.
The description says it is for lower pressured rounds. I can't say for sure but maybe clandestine can confirm? I believe that I have read he uses them in his 9mm rifles
denimdan85
Active Member
After thinking about it, I would have to agree with your thought.
- Jul 29, 2014
- 50,052
Actually, 9mm are blowback and need taming .i.e. heavier springs and buffers usually.
Lower pressure rounds as in 300 AAC.
Chad recommends Tubb's AR 10 springs(heaviest they make) for 9mm (what I use upon, his recommendations).
And though they don't go 'SPROING' in A2 buffers, I wouldn't classify them a silent. BTW, the only gun I don't have Tubb's springs, my rifle AR has a JP SC Spring in it.
j_h_smith
Ultimate Member
- Jul 28, 2007
- 28,516
+1 for the Tubbs AR10 spring.
Are you going to suppress it?
I shoot my 9mm AR suppressed almost exclusively. I initially had a JP captured spring in it, and replaced all the weights with the tungsten option. Suffered from very loud ejection port bark. Replaced it with Tubbs spring and Q9 heavy buffer which made it a LOT quieter.
As mentioned, 9mm ARs are blowback, you do not want to run a light spring.
I shoot my 9mm AR suppressed almost exclusively. I initially had a JP captured spring in it, and replaced all the weights with the tungsten option. Suffered from very loud ejection port bark. Replaced it with Tubbs spring and Q9 heavy buffer which made it a LOT quieter.
As mentioned, 9mm ARs are blowback, you do not want to run a light spring.
Tubbs here, 300 BO group on FB ... a lot of people say to put a bit of grease on a normal spring dampens most twang?? Been thinking of the giezelly twisted wire spring for 223 ?? IIRC they say not to use for 300 BO (low pressure/9mm) though.
I actually have a wish list titled :
"Parts Needed - $Chad.00"
I actually have a wish list titled :
"Parts Needed - $Chad.00"
iH8DemLibz
When All Else Fails.
Actually, 9mm are blowback and need taming .i.e. heavier springs and buffers usually.
Lower pressure rounds as in 300 AAC.
Chad recommends Tubb's AR 10 springs(heaviest they make) for 9mm (what I use upon, his recommendations).
And though they don't go 'SPROING' in A2 buffers, I wouldn't classify them a silent. BTW, the only gun I don't have Tubb's springs, my rifle AR has a JP SC Spring in it.
I would not have thought that.
Thanks for the info.
clandestine
AR-15 Savant
Outrider said what I would say. 
Buy the .308 Tubb for a 9mm. You don't have to worry about the spring being too long because even when the spring is compressed to solid height, it's shorter than a carbine buffer spring.
If the gun has cycling issues (it won't) you can clip one coil off the rear of the spring and keep going till the fun cycles.
Buy the .308 Tubb for a 9mm. You don't have to worry about the spring being too long because even when the spring is compressed to solid height, it's shorter than a carbine buffer spring.
If the gun has cycling issues (it won't) you can clip one coil off the rear of the spring and keep going till the fun cycles.
Yes suppressed applicication only. Took it out and test fired it and and the spring noise stands out like a sore thumb lol
Outrider said what I would say.
Buy the .308 Tubb for a 9mm. You don't have to worry about the spring being too long because even when the spring is compressed to solid height, it's shorter than a carbine buffer spring.
If the gun has cycling issues (it won't) you can clip one coil off the rear of the spring and keep going till the fun cycles.
Perfect! ! Thank you! !
It does. Get the Tubbs spring and don't look back. The JP will give you bad ejection port bark even with tungsten weights and their strongest spring.
I don't know about the light weight loads...or that LtWt spring.
But the .308 Tubbs Flatwire and a 7.5oz buffer has worked with 122-124 ( not positive ) of my tested 129 different factory rounds.
And the ammo that didn't work was basically crap or had different issues ... ( bullet setback. )
And yes, I grease it.
https://www.ar15.com/forums/ar-15/16-9x19-AR15-Carbine-Chrono-Test--129-OEM-rds-52-more-added-May-7th-/16-712312/
I use the 308 flatwire in my 9mm AR-15 as per Chad's recommendation, and it runs great. Solved my problems with early extraction quite nicely.
alucard0822
For great Justice
Have seen a few people run the JP captured spring in PCC competition, probably because of the popularity using it with low-mass gas guns. Seems most have trouble getting it to run right, and spend a lot more than the initial cost on extra tungsten or aluminum weights to dial it in, so ends up being over $200, but you end up with a lot of parts you can use to dial into a load. The standard units use 3 weights, the blowback versions use 4 or 5, but you have to remove the pinned weight in the carrier, so the extra weights offset the loss of the pinned weight in the carrier, and it will be on the light side out of the box. They seems susceptible to bounce, and have seen a couple people have issues running a trigger with the system where it worked fine with a standard buffer / spring setup. FAR cheaper, and more reliable to just get a couple buffers and springs to try out. The 308 tubb spring and 6ish oz buffer are a good place to start, lighter buffer/spring will reduce muzzle movement with light loads, heavier will help with hot loads and supressors
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