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Questions & Answers
which option, ar15 or m4, be best in an 11.5" build? Expert Answer

If you have a rifle length (A2) style buffer tube, use the AR15 model. If you have a standard Carbine length tube, use the M4 model.

by Ethan, Gear Expert, November 20, 2025
what's the difference between the m4 and ar15 options? don't they both use carbine length springs?

The AR-15 spring is longer, for fixed stocks like for the A2

by Jay, Verified Owner, September 7, 2025
Customer Reviews
Helpful Positive Review
A suppressor must by VA Trav, Verified Owner, December 22, 2023
Run this spring in all suppressed carbines rifles and SBRs. Slows down the bcg speed and keeps it cycling perfectly
2/2 found this helpful
Most Recent Reviews
Soft shooting by Big Jon, Verified Owner, April 8, 2026
It helps with ejection and keeps the gun from beating itself to death when over gassed.
Most Recent Reviews
great for tuning by biggussmith, March 13, 2026
Works great for tuning with atrius selektor, this with a H2 or h3 buffer let's you fine tune you cycling rate.
Most Recent Reviews
Extra power spring by Steve, Verified Owner, January 20, 2026
I don't have a sprinco blue to compare to but I would say its Griffin's equivalent. Quality is great. Took my over gased aero 16" midlength from a 1:30 ejection pattern to a 3:00-3:30 when I paired it with the sob buffer. So far so good, can't speak ...
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Most Recent Reviews
Extra Power by Dennis, Verified Owner, March 15, 2025
If you’re looking to tune your over gassed rifle this is the buffer tube you need.
Most Recent Reviews
Great for Suppressed SBR by Trevor Young, Verified Owner, February 18, 2025
Ive used this spring (along with a heavy buffer) in a budget M18 style build. Helped the gas blow back and ejection pattern quite a bit. Picked up another one for my 14.5 pin and weld build, hope it will have a similar effect.
Read All 9 Reviews
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Product Info for Griffin Armament Extra Power Buffer Spring

Griffin Armament understands customers desire to outfit their firearms with the best products to ensure improved overall reliability and performance. Our buffer springs offer excellent resistance to corrosion, superior fatigue properties, and exceptional rigidity and durability.image

Griffin Armament recommend the extra power buffer springs for firearms that are regularly run to oil scarce or dry conditions at high round counts. They are also recommended for firearms that are regularly running suppressors.

Specifications for Griffin Armament Extra Power Buffer Spring:

Manufacturer: Griffin Armament
Color: Black
Finish: Corrosion Resistant
Fabric/Material: 17-7 Stainless Steel
Gun Type: Rifle
Condition: New

Features of Griffin Armament Extra Power Buffer Spring

  • Extra Power Buffer Springs offer a +15% enhanced overall recoil performance

Package Contents:

  • Griffin Armament Extra Power Buffer Spring

Griffin Armament Extra Power Buffer Spring Orderable Models

List of Orderable Models

  • Griffin Armament Extra Power Buffer Spring, AR-15 A2, +15%, Black, Large, GABSAR15A215 , MPN: GABSAR15A215 , UPC: 791154085554 , Code: 28N-BUS-GAEPBS-GABSAR15A215
  • Griffin Armament Extra Power Buffer Spring, M4 Carbine, +15%, Black, Large, GABSM415 , MPN: GABSM415 , UPC: 791154085530 , Code: 28N-BUS-GAEPBS-GABSM415
  • Griffin Armament Extra Power Buffer Spring, AR-10 Carbine, +15%, Black, Large, GABSAR1015 , MPN: GABSAR1015 , UPC: 791154085516 , Code: 28N-BUS-GAEPBS-GABSAR1015

Griffin Armament Extra Power Buffer Spring Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Griffin Armament Extra Power Buffer Spring, AR-10 Carbine, +15%, Black, Large, GABSAR1015 , MPN: GABSAR1015-EDEMO , Code: 28N-BUS-GAEPBS-GABSAR1015-EDEMO-RE-B
  • USED, Griffin Armament Extra Power Buffer Spring, AR-15 A2, +15%, Black, Large, GABSAR15A215 , MPN: GABSAR15A215-EDEMO , Code: 28N-BUS-GAEPBS-GABSAR15A215-EDEMO-OB-A
  • USED, Griffin Armament Extra Power Buffer Spring, M4 Carbine, +15%, Black, Large, GABSM415 , MPN: GABSM415-EDEMO , Code: 28N-BUS-GAEPBS-GABSM415-EDEMO-RE-B
  • USED, Griffin Armament Extra Power Buffer Spring, AR-15 A2, +15%, Black, Large, GABSAR15A215 , MPN: GABSAR15A215-EDEMO , Code: 28N-BUS-GAEPBS-GABSAR15A215-EDEMO-RE-B
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