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Questions & Answers
will this work with the law tactical fold stock Manufacturer Answer

Yes it will, but needs an additional bolt carrier extension that is hollow inside.

by Armaspec Customer Service, Manufacturer, May 26, 2022
it seems to be to long for a standard molspec buffer or am i putting it on wrong ? Expert Answer

Please email us at techsales@opticsplanet.com so we can further assist you with your question.

by Patrick, Gear Expert, November 8, 2021
Customer Reviews
Helpful Positive Review Easy peasy by David Morales Bello, Verified Owner, August 6, 2021
It's a simple straight swap from your milspec buffet and spring. It's not a "captured" spring like the JP Enterprises unit but the function is virtually the same. I have both and I'm quite surprised that the Armaspec Sound Mitigation buffer action mi...
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6/7 found this helpful
Helpful Positive Review Armaspec buffer by Ryan, Verified Owner, July 18, 2019
This is a nice way to kill "AR sproing" and also good for 9mm ARs as it is slightly longer than usual so you don't break your bolt catches. Here is a list of which one you should buy from another website SMB-Carbine, SMB-H, SMB-H2, SMB-9, SMB-H3, SM...
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7/8 found this helpful
Helpful Positive Review so much quieter i love it by Robert619 Clough, Verified Owner, March 12, 2022
I didnt realize how much i would love this product i cant go back to a basic spring again . If your debating gettinf this do it its well worth the price and then some . Very easy to install and you can clearly hear and feel the difference immediately
1/2 found this helpful
Helpful Positive Review Good deal, best option by Glen Gilmore, Verified Owner, April 7, 2021
This was the best price I've found for the Armaspec sound mitigation buffer. Plus...Soooo much cheaper than that other better known brand of a similar device. No reason to spend more. Thanks Optics Planet!
1/1 found this helpful
Helpful Positive Review Definitely cuts down some on buffer spring rub by BP, April 20, 2020
Good design. No real sound change once installed and charging the gun, but shooting you feel/ hear a little bit of a difference. I always kept my buffer spring well oiled so it wasn’t that noticeable but you can definitely feel/ hear a difference. Ma...
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3/3 found this helpful
Helpful Positive Review Excellent squashed my doubts!! by Dragonw4g, Verified Owner, October 7, 2019
One part about a review is it is hard to learn a products endurance unless you do the review sometime down the road. It does seem to be a quality piece of hardware. Proper lubrication is essential prior to installation. It includes a minty fresh frog...
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1/1 found this helpful
Read All 6 Reviews
Color: Stainless Steel Fabric/Material: Stainless Steel Condition: Used Condition Quality: Like New Condition Details: Damaged Packaging Weight: 6.2 ozSize: SMB-9

Code: AMS-BFA-SOUMIBUF-ARM158-9-EDEMO5

MPN: ARM158-9-EDEMO5

Product No Longer Available

Product Info for Armaspec Sound Mitigation Buffer 158

Install this Armaspec Sound Mitigation Buffer 158 to prevent your buffer spring from rubbing against the inner walls of your buffer tube, creating a smoother and quitter shooting experience. These AR15 Buffer Assemblies developed by Armaspec are a single-stage drop-in replacement for your current buffer and spring. A huge benefit the Armaspec AR Sound Mitigation Buffer brings is that it reduces felt recoil to improve your accuracy with every shot. Protect the quality of your firearm while also enhancing your precision by using an Armaspec SMB Gen2 Sound Mitigation Buffer.image

Features of Armaspec Sound Mitigation Buffer 158:

  • Single-stage drop-in replacement for your standard buffer and spring
  • Reduce felt recoil
  • Keep the buffer spring from rubbing against the inner wall of the buffer tube providing smooth and quiet operation
  • Adjustable spring weight (Main spring can be trimmed at .25 lbs per coil to reduce tension up to a max of 12 coils)

Package Contents:

  • Armaspec Sound Mitigation Buffer 158
  • 1x Polymer Base Guide Rod
  • 1x Spring
  • 1x Buffer

Related Products to Armaspec Sound Mitigation Buffer 158

Armaspec Sound Mitigation Buffer 158 Unavailable & Discontinued Models

List of Unorderable Models

USED Armaspec Sound Mitigation Buffer 9, Stainless Steel, ARM158-9, EDEMO5, Used, Condition Like New , MPN: ARM158-9-EDEMO5 , Code: AMS-BFA-SOUMIBUF-ARM158-9-EDEMO5
Armaspec Sound Mitigation Buffer Carbine, SS/Black, ARM158-C , MPN: ARM158-C , UPC: 810048490028 , Code: AMS-BFA-SOUMIBUF-ARM158-C
Armaspec Sound Mitigation Buffer H, SS/Black, ARM158-H , MPN: ARM158-H , UPC: 810048490035 , Code: AMS-BFA-SOUMIBUF-ARM158-H
Armaspec Sound Mitigation Buffer H3, SS/Black, ARM158-H3 , MPN: ARM158-H3 , Code: AMS-BFA-SOUMIBUF-ARM158-H3
Armaspec Sound Mitigation Buffer 308, SS/Black, ARM158-308 , MPN: ARM158-308 , Code: AMS-BFA-SOUMIBUF-ARM158-308
DEMO, Armaspec Sound Mitigation Buffer Carbine, SS/Black, ARM158-C , MPN: ARM158-C-DEMO , Code: AMS-BFA-SOUMIBUF-ARM158-C-DEMO
Armaspec Sound Mitigation Buffer 9, Stainless Steel, ARM158-9 , MPN: ARM158-9 , UPC: 810048490059 , Code: AMS-BFA-SOUMIBUF-ARM158-9
Armaspec Sound Mitigation Buffer H2, SS/Black, ARM158-H2 , MPN: ARM158-H2 , UPC: 810048490042 , Code: AMS-BFA-SOUMIBUF-ARM158-H2
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