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Questions & Answers
will this change the ejection of carbine 556 Rifle to 300 BO Pistol to eject brass to a 3 O'Clock position? instead of 5 O'Clock Expert Answer

Please email us at techsales@opticsplanet.com for further assistance.

by Jonathan D., Gear Expert, March 13, 2020
Will this work for AR15 Featured Answer

Yes this will work for an Ar15 with a carbine length buffer tube 7"

by Rob, Verified Owner, July 16, 2019
Customer Reviews
Helpful Positive Review
GUNTEC USA AR-15 Car Buffer Spring Set by gun builder, April 24, 2020
good value nice parts ,,,, work and fit very good ,,,, fit just as they should ,,,, not much more to say about a spring and buffer weight ,,, buffer weight was right on spring was one of the best I have bought
1/1 found this helpful
Most Recent Reviews
Piston Upper 10.3 Adams Arms XLP by Stihl, April 20, 2020
The standard buffer helped cycle the rounds correctly in the the gun, I also used the spring that came with the buffer. I did have an H2 buffer and spring (unknown) in the gun and it would not eject the rounds out at all.
Most Recent Reviews
Great quality replacement set by High desert redneck, March 22, 2019
I have an old Car15 that was needing a new buffer spring/piston assembly. Looked at all the high dollar options and chose this instead. Couldn't be happier. It works flawlessly. The quality is "good to go"!
Most Recent Reviews
Good set for the price by Vidal Saenz, Verified Owner, January 17, 2019
I was building an inexpensive AR so I purchased this set. Acceptable quality for the price. I installed and tested it and have had zero issues. If you are looking for the best, this is not it. If you are looking for an economic and good solution, the...
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Most Recent Reviews
Works as Designed by SeaWolf, Verified Owner, August 9, 2018
This is a standard weight buffer that works as designed with 16" barrel. Functioned flawlessly in what is a MILSPEC AR-15 build. Tested by standard function check and then fired 100 rounds with no issues. Ordered a second one.
Most Recent Reviews
Good value by Dark Knight, July 13, 2018
So I build quite a few AR's and I like a few spares to speed up the process. This represents good value for money. The shipping was well priced and quick. I would recommend this for your next AR build.
Read All 14 Reviews

Product Discontinued by Manufacturer

Guntec USA AR-15 Car Buffer Spring Set has been discontinued by Guntec USA and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Lower Parts, AR15 Buffer Assemblies yourself to try and find the perfect replacement for you!

Product Info for Guntec USA AR-15 Car Buffer Spring Set

CAR/M4 Standard Buffer 3 oz weight Mil -spec Carbine Length Teflon Coated Chrome Spring Includedimage

Package Contents:

  • Guntec USA AR-15 Car Buffer Spring Set

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Related Products to Guntec USA AR-15 Car Buffer Spring Set

Guntec USA AR-15 Car Buffer Spring Set Unavailable & Discontinued Models

List of Unorderable Models

  • Guntec USA AR-15 Car Buffer Spring Set, BUF+SPR , MPN: BUF+SPR , UPC: 714569649937 , Code: 2AH-BFA-BUF-SPR
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