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Questions & Answers
Can I use this for my Aero M5 (.308) Mid length, 16” Barrel Expert Answer

Yes, the Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo will be compatible with your Aero Precision M5 as long as you are using a carbine length buffer tube. I would recommend the H2 buffer.

by Ethan, Gear Expert, December 9, 2022
Would you recommend H2 or H3? For a AR’s chambered in 556 with a 10.5/11.5/12.5 barrels? All 3 with be ran with and without a suppressor. Expert Answer

The Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo H2 and H3 model will work for all of those rifles. However, I recommend going with the H3 model if you will be switching between suppressed and unsuppressed.

by Hunter, Gear Expert, October 11, 2022
Customer Reviews
Helpful Positive Review
works flawlessly with Rare Breed trigger. by Matt, Verified Owner, October 22, 2025
I bout this as an upgrade to my PSA -15 and Rare Breed trigger and works flawlessly.
2/2 found this helpful
Helpful Positive Review
A big difference! by Ohio dude, Verified Owner, October 3, 2025
I put this on my BCM pistol lower that had a 12.5 old school Bushmaster h-bar upper. Had a standard H1 with milspec sping. It removed all jumping and bouncing with this new super 42 H2 buffer system. Stays right on target with follow up shots. Very i...
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2/2 found this helpful
Helpful Positive Review
Great Combo by Super 42, Verified Owner, October 5, 2025
Upgraded to Super Spring/H3 combo to gi with my new trigger upgrade... works great. Really like the quality if the parts. Shipping was quick and easy like always.
2/2 found this helpful
Helpful Positive Review
Buffer Tube and Spring by Rob, Verified Owner, October 9, 2025
This product is awesome and makes a big difference. The buffer guide was very helpful in selecting the one I need. Great quality and will buy more.
2/2 found this helpful
Helpful Positive Review
Geissele super 42 and on sale!?! by HG, Verified Owner, October 12, 2025
Geissele super 42 kit reduced the bolt bounce challenge i was having with rapid fire rates.. thanks optics planet and Geissele for such a great deal on a great product!
2/2 found this helpful
Helpful Positive Review
Less thump and quieter by Andy, Verified Owner, October 22, 2025
Received the product in short time - great condition and works as advertised and reviewed by others . Made my psa ar feel more enjoyable quieter and softer recoil
1/1 found this helpful
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Product Info for Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo

The Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo was designed to improve the function and reliability of your AR-15 pattern rifle. The unique spring design of these AR15 Buffer Springs uses three independent strands of wire, just like the German MG42 Machine Gun. This concept acts as a harmonic damper and energy absorber by allowing the springs to flex separately from each other. This flex helps displace excess energy which decreases the chance of spring failure and assists with making your AR-15 more reliable.image

Compared to the stock spring, the Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo has a decreased tendency to lose length and force over a given round count. As an added bonus, it removes the annoying spring reverberations (twang) heard and felt by the shooter through the buttstock. The Super 42 Braided Wire Buffer Spring and Buffer Combo has a 15% stronger average return force than the standard buffer spring. This will assist in stripping rounds out of the magazine when operating with a dirty weapon or when using steel-case ammo.

NOTE: The Super 42 is for use with Carbine length buffer tubes and is not compatible with rifle length or A5 buffer tubes/receiver extensions.

We do not recommend the Super 42 with 300 Blackout subsonic ammunition. The Super 42 Spring may be too powerful and not allow the rifle to function properly.

WARNING: California`s Proposition 65

Specifications for Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo:

Manufacturer: Geissele
Color: Black
Gun Model: AR-15
Condition: New
Country of Origin: USA

Package Contents:

  • Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo

Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo Orderable Models

List of Orderable Models

  • Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo, H3, 05-495-H3 , MPN: 05-495-H3 , UPC: 817953026922 , Code: 1TO-BUS-QR108D-05-495-H3
  • Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo, H2, 05-495-H2 , MPN: 05-495-H2 , UPC: 817953026915 , Code: 1TO-BUS-QR108D-05-495-H2

Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo Unavailable & Discontinued Models

List of Unorderable Models

  • USED, Geissele Super 42 Braided Wire Buffer Spring and Buffer Combo, H3, 05-495-H3 , MPN: 05-495-H3-EDEMO , Code: 1TO-BUS-QR108D-05-495-H3-EDEMO-IN-C
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