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Questions & Answers
Customer Reviews
Most Recent Reviews
retainer pin by B, Verified Owner, February 8, 2026
Nothing crazy but feels like quality material. Works like it should.
Most Recent Reviews
Great Replacement Parts by Wob1978, Verified Owner, December 10, 2025
Ordered this for a rebuild after I messed it up. Works perfectly
Most Recent Reviews
It works...and looks good too! by Hog, Verified Owner, October 21, 2025
The only reason I installed this was because it went into a FDE Radian lower. It matched the rest of the 2 tone look. It works perfectly.
Most Recent Reviews
Dark storm industries buffer retainer spring and retainer by Bigdawgs Arms and Ammo LLC, February 20, 2024
These parts fit perfect in my AR15, it fixed my issue. I would highly recommend these parts.
Most Recent Reviews
Simple and dependable by Z, Verified Owner, November 3, 2024
Great little product, all you need for buffer retention, metal is overrated
Most Recent Reviews
It worked well on my build by Matt, Verified Owner, March 27, 2024
I mean, its a buffer detent and spring, nothing super fancy or high tech here. Looked to be good quality, went in easy, and it retains my buffer. Felt like I went slightly higher end on a relatively inconsequential part on a recent higher-end build...
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Read All 11 Reviews
Color:
Black
Fabric/Material:
Steel

Code: 3RD-DTN-BRSDK1-DSI-BFR-DTSK

MPN: DSI-BFR-DTSK

UPC: 496377001915

List: $11.54Save 13%
$9.99

Product Info for Dark Storm Industries Buffer Retaining Spring / Detent Kit

Maintain proper buffer retention with the DSI Buffer Detent and Spring Kitprecision machined and built for reliability in your AR platform build.image

Specifications for Dark Storm Industries Buffer Retaining Spring / Detent Kit:

Manufacturer: Dark Storm Industries
Color: Black
Fabric/Material: Steel

Features of Dark Storm Industries Buffer Retaining Spring / Detent Kit

  • Manganese Phosphate Finish for Durability
  • Spring Made to Mil-Spec Tolerances

Package Contents:

  • Dark Storm Industries Buffer Retaining Spring / Detent Kit

Dark Storm Industries Buffer Retaining Spring / Detent Kit Orderable Models

List of Orderable Models

  • Dark Storm Industries Buffer Retaining Spring / Detent Kit, Black, DSI-BFR-DTSK , MPN: DSI-BFR-DTSK , UPC: 496377001915 , Code: 3RD-DTN-BRSDK1-DSI-BFR-DTSK
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Last updated 2026-09-01 UTC.