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Questions & Answers
Is this a flat wire spring? Manufacturer Answer

No, it’s rounded coil.

by Spikes Tactical, Manufacturer, September 1, 2025
Will this work on my 7.62x39 pistol ? Expert Answer

The Spikes Tactical Buffer Spring will work on a 7.62x39 pistol if it uses a carbine length buffer tube.

by Hunter, Gear Expert, July 21, 2022
Customer Reviews
Helpful Positive Review
I bought this at the advice of a friend who told me it reduced his AR “twang” only to find that it acts much like my others (Stag and Noveske) do. A little lubricant helps, but if you want silence the Armaspec or JP are your answers. I guess I’ll hav...
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3/3 found this helpful
Helpful Positive Review
Spikes 17-7 Buffer Spring by P2rossi, May 11, 2018
Excellent drop in upgrade to any AR platform. Mitigates felt recoil and allows for fast threat acquisition and follow through if necessary. The Spikes Buffer Spring is affordable and I now run them in all of my AR platforms. Combined with the T2 Heav...
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3/5 found this helpful
Helpful Positive Review
Spikes SLA501S Buffer Spring by Grat, Verified Owner, April 7, 2018
If you think all springs are pretty much the same, get your hands on one of these. I really don't know if it will work any better than the one than is always shipped with a kit but it sure does feel different .
1/1 found this helpful
Helpful Positive Review
Buffer Spring by bmoyers, Verified Owner, June 28, 2018
Absolutely the best buffer spring out there. Spikes makes a great product, and this spring is no different. You would think that all springs are the same but I can tell a big difference in the quality level of this spring vs others. The price is righ...
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2/3 found this helpful
Helpful Positive Review
Spikes tactical buffer spring by Tony Faulkenberry, December 23, 2019
It’s spikes tactical what else can you say ! Top notch stuff .this is about my 6th spikes build happy with all their products.never had any problems with any of my spikes tactical stuff ,optics planet is the best place to buy your spikes products
1/1 found this helpful
Helpful Positive Review
Use What Works! by Curt, Verified Owner, September 25, 2017
All my AR15s,(pistols and carbines),use the same Spikes Tactical spring. Have never had any issues with them. They all cycle flawlessly! Quality stainless steel buffer spring works every time. Paired with the Spikes T2 buffer and your good to go.
1/2 found this helpful
Read All 17 Reviews
Finish: Electro Polish Fabric/Material: 17-7 Stainless Steel Condition: New Additional Features: Carbine

Code: 2A8-BUS-SLA501S

MPN: SLA501S

UPC: 855319005242

List: $20.94Save 52%
$9.99

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 Spikes Tactical Buffer Spring Mil-Spec, 17-7 Stainless Steel, Electro Polish Finish

Boost your confidence in the field by adding this reliable Spikes Tactical Buffer Spring to your current build. Spikes Tactical carefully crafted these AR15 Buffer Springs from 17-7 stainless steel for maximum toughness. The Spikes Tactical Mil-Spec Buffer Spring also features an electro polish finish that creates a smoother surface and a sharper appearance. Keep your firearm properly functioning with the help of this Spikes Tactical Carbine Buffer Spring.image

Specifications for Spikes SLA501S Buffer Spring Mil-Spec 17-7 Stainless Steel Electro Polish Finish:

Mfg Item Num:  SLA501S
Supplier SKU:  02781
Category:  FIREARM PARTS
Finish:  Electro Polish
Type:  Buffer Spring
Model:  SLA501S
Material:  17-7 Stainless Steel

Features of Spikes Tactical Buffer Spring:

  • 17-7 stainless steel
  • Electro polish finish

Package Contents:

  • Spikes SLA501S Buffer Spring Mil-Spec 17-7 Stainless Steel Electro Polish Finish

Spikes Tactical Buffer Spring Mil-Spec, 17-7 Stainless Steel, Electro Polish Finish Orderable Models

List of Orderable Models

  • Spikes Tactical Buffer Spring, Mil-Spec 17-7 Micro Polish, Stainless Steel, SLA501S , MPN: SLA501S , UPC: 855319005242 , Code: 2A8-BUS-SLA501S

Spikes Tactical Buffer Spring Mil-Spec, 17-7 Stainless Steel, Electro Polish Finish Unavailable & Discontinued Models

List of Unorderable Models

  • USED Spikes Tactical Buffer Spring, Mil-Spec 17-7 Micro Polish, Stainless Steel, SLA501S, EDEMO1, Condition Parts Only/Salvage, Defective , MPN: SLA501S-EDEMO1 , Code: 2A8-BUS-SLA501S-EDEMO-DF-F
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