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Questions & Answers
The description narrative relates to 9mm, but the technical description relates to AR10. The manufacturer part# suggests AR10. Manufacturer Answer

9mm ARs run far harder than .223/5.56 guns and even .308s. They also have a very heavy bolt. The best springs for many 9mm ARs are .308 springs for this reason. .223 springs are normally too weak unless you run a shorter barrel and even then, an extra power .223 spring is normally best.

by Blitzkrieg Components, Manufacturer, December 3, 2024
Will this work in an AR-15? Manufacturer Answer

It will fit in an AR15 carbine buffer tube, but it is more stiff than a typical AR15/5.56 carbine buffer spring or even an extra power AR15 carbine buffer spring. It works in cases where it is an AR15 framed gun that cycles the BCG very hard. A prime example would be an AR15 9mm. The only risk in using an AR10 spring is that due to its stiffness, the gun might short stroke and not cycle all the way back.

by Blitzkrieg Components, Manufacturer, January 12, 2026
Customer Reviews
Helpful Positive Review
AR10 spring by The2ndbill, Verified Owner, June 7, 2024
Had a cycling issue with an AR10 6.5 Creedmore build. I think it was cycling so fast the spent shell would not clear the chamber. This was the cheapest easiest thing to change and is rated for the AR10 carbine with 5.2 oz buffer for the AR10
2/2 found this helpful
Most Recent Reviews
A well needed addition by Boboso, Verified Owner, April 21, 2026
With my 6.5 Creedmoor build, I wanted something to assist in control of recoil and BCG slam. With a little research, I found this to be just what was warranted for all of the above.
Most Recent Reviews
heavy duty spring by Trucker, Verified Owner, March 29, 2026
Using for 9mm SBR along with Kynshot buffer for smooth cycling
Most Recent Reviews
It’s longer by Greg, October 8, 2023
I haven’t actually shot the gun with this spring. I am hoping that it will help with my overgassed 16” 6.5 Creedmoor. It’s a couple of inches longer than the buffer spring I got from Areo Precision.
0/4 found this helpful
Most Recent Reviews
Picked up the Sprinco AR10 Carbine Extra Power Red spring for my 8.6 Blackout pistol and couldn’t be happier. Cycling is noticeably smoother and more consistent compared to the stock spring, and it handles the heavier 8.6 loads without breaking a swe...
Read More...
Most Recent Reviews
Best springs on the market by RCD, Verified Owner, August 19, 2023
Sprinco specializes in recoil springs. I have purchased several for my ar15 and ar10 rifles. They are very well made. Have installed this particular spring into multiple lr308 builds and will continue to use Sprinco for my builds.
Read All 6 Reviews
Color:
Orange
Fabric/Material:
Chrome Silicon
Gun Make:
AR Platform
Gun Model:
AR-10
Gun Type:
Rifle
Length:
5.3 in
Weight:
7.5 oz
Condition:
New

Code: 6Q8-BUS-BCNN14-SPRINCO-25762

MPN: SPRINCO-25762

UPC: 657780257621

List: $42.96Save 26%
$31.99

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 Sprinco USA SPRINCO AR10 Carbine Buffer Spring

These springs are an excellent match for AR-10 type guns in .308 or 6.5 with collapsible stocks. Works with both 2.5" and 3.25" buffers as well as our 4.0" 9mm buffers. After extensive testing and evaluation, we found that these springs are properly matched in strength for many 9mm applications. They have the strength, consistent performance and long service life that is needed. Stronger springs hold the 9mm bolt in battery properly and reduce rearward bolt velocity which is important for safety, reduced recoil and service life of triggers. The spring is a critical component of the 9mm blow-back system and you need the highest quality and the proper strength for optimal performance. Sprinco USA Springs are made from certified Chrome Silicon wire stock to ISO 9001:2008 quality standards to withstand extreme heat and high cyclic rate. This ensures consistency in performance through high round counts. They are precision wound, heat treated, stress relieved and shot peened for extremely long service life and then moly plated for improved corrosion and wear resistance. For the longest lasting buffer spring, these are the way to go. Expected service life in excess of 30,000 rounds.image

Specifications for Sprinco USA SPRINCO AR10 Carbine Buffer Spring:

Manufacturer: Sprinco USA
Color: Orange
Fabric/Material: Chrome Silicon
Gun Make: AR Platform
Gun Model: AR-10
Gun Type: Rifle
Buffer Tube Size: Mil-Spec
Length: 5.3 in
Weight: 7.5 oz
Condition: New
Gas System Type: Blowback
Country of Origin: USA

Features of Sprinco USA SPRINCO AR10 Carbine Buffer Spring

  • High Quality: Sourced from Sprinco USA, these buffer springs are made from certified Chrome Silicon wire stock to ISO 9001:2008 quality standards.
  • Strength for .308 and 9mm: This spring is designed for AR-10 type rifles with collapsible stocks but is also perfect for 9mm blowback ARs with barrels 8"-16" long. Blowback guns need stronger springs ensuring the 9mm bolt is held securely in place and reducing bolt velocity and recoil.
  • Long Service Life: Springs are precision wound, heat treated, stress relieved, and shot peened for extended life, with an expected service life in excess of 30,000 rounds.
  • Corrosion and Wear Resistance: Springs are moly plated for improved corrosion and wear resistance.
  • Heat Treated
  • Stress Relieved
  • Shot Peened
  • Moly Plated
  • Extremely Long Service Life

Package Contents:

  • Sprinco USA SPRINCO AR10 Carbine Buffer Spring

Sprinco USA SPRINCO AR10 Carbine Buffer Spring Orderable Models

List of Orderable Models

  • Sprinco USA Sprinco AR10 Carbine Buffer Spring, Orange, SPRINCO-25762 , MPN: SPRINCO-25762 , UPC: 657780257621 , Code: 6Q8-BUS-BCNN14-SPRINCO-25762

Sprinco USA SPRINCO AR10 Carbine Buffer Spring Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Blitzkrieg Components Sprinco AR10 Carbine Buffer Spring, Orange, SPRINCO-25762 , MPN: SPRINCO-25762-EDEMO , Code: 6Q8-BUS-BCNN14-SPRINCO-25762-EDEMO-SC-D
  • USED Blitzkrieg Components SPRINCO AR10 Carbine Buffer Spring, Orange, SPRINCO25762, EDEMO2, Used, Condition Fair , MPN: SPRINCO25762-EDEMO2 , Code: 6Q8-BUS-BCNN14-SPRINCO25762-EDEMO2
  • USED Blitzkrieg Components SPRINCO AR10 Carbine Buffer Spring, Orange, SPRINCO25762, EDEMO3, Condition Fair, Used , MPN: SPRINCO25762-EDEMO3 , Code: 6Q8-BUS-BCNN14-SPRINCO25762-EDEMO-US-D
  • USED Blitzkrieg Components SPRINCO AR10 Carbine Buffer Spring, Orange, SPRINCO25762, EDEMO4, Condition Parts Only/Salvage, Wrong Product , MPN: SPRINCO25762-EDEMO4 , Code: 6Q8-BUS-BCNN14-SPRINCO25762-EDEMO-WP-F
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