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TacFire AR-15 Buffer Detent Pin w/ Spring — 2 models

TacFire AR-15 Buffer Detent Pin w/ Spring, Stainless Steel, MAR086-SS
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
TacFire AR-15 Buffer Detent Pin w/ Spring, Stainless Steel, MAR086-SS
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TacFire AR-15 Buffer Detent Pin w/ Spring, Stainless Steel, MAR086-SS
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
2 of 7 images
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
3 of 7 images
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
4 of 7 images
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
5 of 7 images
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
6 of 7 images
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086
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Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086

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Questions & Answers
How wide does the widest part measure that holds the spring? Expert Answer

Tacfire does not provide specific dimensions for their AR15 Buffer Detent Pin. I would recommend contacting them directly for more information.

by Ethan, Gear Expert, May 20, 2022
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
It's a detent pin by Steve B, April 18, 2018
Detent pin came nicely finished. I've seen some detent pins come in that were still usable but a little out of round, this one was perfect and gave me no problems sliding in with the spring. I think I had more problems getting the take down pin sprin...
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1/1 found this helpful
Helpful Positive Review
Buffer spring kit by Cap, April 6, 2022
Parts came in quick fit perfectly have made many orders from optics planet all are top notch will be buying from this company again keep up the great work web site is easy to work with every item I order comes fast and are high grade have yet to have...
Read More...
1/1 found this helpful
Helpful Negative Review
Broken Detent in a Week by Austin, January 17, 2020
Tip of the detent snapped off within one week of installation. Hadn't even gotten the chance to fire it yet. Using it with a Law Tactical folding stock so I got a nice buffer surprise to the face when I went to fold it down.
6/6 found this helpful
Most Recent Reviews
Stainless Buffer retaining pin by CrazyO, Verified Owner, March 30, 2026
Bot the spring and pin appear to be high quality. Machining of pin is clean, form fit and function are correct.
Most Recent Reviews
Tacfire ar buffer detent by Ev, Verified Owner, May 20, 2025
Very straight forward but works great for an ar15 build
Most Recent Reviews
Always have extra! by RCH, Verified Owner, March 30, 2025
Bought the 10 pack because you never know. Good quality with great Finnish. Can't go wrong for peace of mind!
Read All 23 Reviews
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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 TacFire AR-15 Buffer Detent Pin w/ Spring

Trust the quality of this Tacfire AR15 Buffer Detent Pin for use with your firearm. These AR15 Lower Parts by TacFire securely lock your buffer tube into place. This Tacfire Rifle Buffer Detent Pin also includes a spring so that you're ready to install it right out of the box. Outfit your gun with this Tacfire AR Buffer Detent Pin to ensure smooth operation.image

WARNING: California`s Proposition 65

Specifications for TacFire AR-15 Buffer Detent Pin w/ Spring:

Manufacturer: TacFire
Weight: 0.1 oz

Features of TacFire AR-15 Buffer Detent Pin w/ Spring

  • Buffer Detent Length: 0.64in
  • Buffer Retainer Spring Length: 0.95in

Package Contents:

  • TacFire AR-15 Buffer Detent Pin w/ Spring

TacFire AR-15 Buffer Detent Pin w/ Spring Orderable Models

List of Orderable Models

  • TacFire AR-15 Buffer Detent Pin w/ Spring, Stainless Steel, MAR086-SS , MPN: MAR086-SS , UPC: 811261028241 , Code: 29U-DTN-BDP-MAR086-SS
  • Tacfire AR15 Buffer Detent Pin w/Spring, Black MAR086 , MPN: MAR086 , UPC: 811261022492 , Code: 29U-DTN-BDP-MAR086
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