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Questions & Answers
Customer Reviews
Helpful Positive Review
Armaspec Buffer Retainer SS by me, Verified Owner, May 29, 2021
I have used these on several builds and they fit just fine, seem very good quality. I don't know why the other reviewer had a problem with his, but mine fit Aero Precision lowers properly. ***** *****
5/5 found this helpful
Helpful Positive Review
These fit fine, work properly. by me, Verified Owner, November 4, 2021
Just trying to bring this unjustified low rating up. I have reviewed this before, but I have purchased more since the last review. I have had zero issues with these not fitting properly. They fit my Aero Precision mil-spec lowers just fine. I think t...
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5/5 found this helpful
Helpful Negative Review
Didn’t fit in the hole. by Seth, Verified Owner, April 21, 2020
It looks like it is high-quality and made very well. Went to drop it in and the retainer was too big to fit in the hole. Tried it in all four of my ARs and it did not fit any of them. I ordered a VSeven set the next day and it fit perfect once it arr...
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1/4 found this helpful
Most Recent Reviews
spring… unsprung by McGoo, Verified Owner, October 27, 2024
Went through 500 rds. The spring had unwinded into my trigger section… I nor have the other marines, I was with, had ever seen a spring somehow be unwond from beneath your retainer into in your trigger. Idk. I got a Armaspec SBS in it as well, which ...
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0/1 found this helpful
Most Recent Reviews
great oem replacement by Elijah Carter, Verified Owner, September 18, 2026
I upgraded my buffer system so i decided to upgraded the pin as well
Most Recent Reviews
Solid replacement by Kozma, Verified Owner, January 15, 2025
Love the stainless, hoping it lasts longer. Milspec part.
0/1 found this helpful
Read All 11 Reviews
Color:
Stainless

Code: AMS-DTN-ASBRSSTL-ARM139-SS

MPN: ARM139-SS

UPC: 810048491186

List: $16.00Save 50%
$7.99

made-in-usa-flag Made in USA

Help support American manufacturing! Marked models of this product have gone through rigorous review and been certified by the manufacturer as Made in the USA.

Product Info for Armaspec Buffer Retainer w/Spring

Outfit your AR-15 platform weapon with this Armaspec Buffer Retainer to ensure smooth operation. These AR15 Lower Parts brought to you by Armaspec are crafted from, stainless steel for an incredibly durable addition to your firearm that's built to last. This Armaspec AR-15 Buffer Retainer includes a spring so that you're ready to install it right out of the box. Trust this Armaspec Rifle Buffer Retainer to deliver reliable performance time and time again.image

WARNING: California`s Proposition 65

Specifications for Armaspec Buffer Retainer w/Spring:

Manufacturer: Armaspec
Color: Stainless
Country of Origin: USA
Gun Model: AR-10, AR-15

Features of Armaspec Buffer Retainer w/Spring

  • Machined from quality corrosion resistant stainless steel

Package Contents:

  • Armaspec Buffer Retainer w/Spring

Armaspec Buffer Retainer w/Spring Orderable Models

List of Orderable Models

  • Armaspec Buffer Retainer w/Spring, SS, ARM139-SS , MPN: ARM139-SS , UPC: 810048491186 , Code: AMS-DTN-ASBRSSTL-ARM139-SS
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Last updated 2026-10-12 UTC.