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Questions & Answers
I just purchased this system for my 20inch rifle length .224 Valkyrie from Nemo. Whats a good A5 weight to use for it? Doesn’t like to run Hornady.

Unfortunately we don't have data for use with the .224 Valkyrie, however the A5H2 is what we always suggest for a good starting point.

by VLTOR, Verified Owner, August 6, 2025
How is with a piston rifle?

We have had customers use the A5 system on piston rifles with great success.

by VLTOR, Verified Owner, August 6, 2025
Customer Reviews
Helpful Positive Review
The best setup for the AR15 platform by Rick, Verified Owner, August 9, 2023
I have this system on all of my AR15, from my 458 SOCOM, 6.8 SPEC and my other 5.56s this smooths out the cycle and all the rifles cycle regardless of caliber without a single malfunction!! I highly recommend this system and every AR15 should have th...
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1/1 found this helpful
Helpful Positive Review
Vltor A5 stock combo kit by A Mo, Verified Owner, March 9, 2017
Awesome buffer system. Using with a Mid Length gas system and 18 inch barrel. Shoots amazingly smooth with minimal recoil. Stock is easy to adjust, provides a little extra length, and is very comfortable to the cheek. Very pleased and would recommen...
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8/8 found this helpful
Helpful Positive Review
Exhaustive research led me to this stock. Well worth the money, but a little heavy. The Vltor A5 Recoil System was developed at the request of the US Marine Corps as a potential future upgrade to replace the current A2 Fixed Stock used on the M16A4
3/3 found this helpful
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Product Info for Vltor A5 Stock Combo Kit

The VLTOR A5 Stock Combo Kit is not just an EMOD stock with M4 components; it was developed as a completely new operating system. Specifically developed on the request of the USMC, the A5 combo kit is considered to be the most innovative upgrade for the AR platform, increasing the reliability, accuracy and performance of any weapon.image

Specifications for Vltor A5 Stock Combo Kit:

Manufacturer: VLTOR
Gun Type: Rifle
Condition: New
Buffer Tube Size: Mil-Spec
Fabric/Material: Polymer

Vltor A5 Stock Combo Kit, 24Y-BSC-ASCK

  • Brings down cyclic rate of M4 carbines
  • Lowers bolt carrier velocity
  • Improves reliability and accuracy
  • Reduces felt recoil
  • Waterproof side battery compartments that holds 4 CR123 or three AA batteries in each compartment
  • Weatherproof compartment in the clubfoot area of the stock that hold two AA batteries
  • Comes pre-assembled with rubber buttpad and strike plate
  • Matte (anti-reflection/anti-glare) finish
  • Impact and temperature resistant polymer, specifically blended for VLTOR stocks
  • Has standard military and quick disconnect swivel socket accessible from both sides
  • Slightly wider and longer at the toe than a regular M4 stock with a noticeable negative pitch making transitions from the ready position feel more natural.
  • Seven position Mil-Spec impact extruded receiver extension specifically used for the A5 system

Package Contents:

  • Vltor A5 Stock Combo Kit, 24Y-BSC-ASCK
  • VLTOR A5H2 buffer weighing 5.3oz
  • Rifle spring
  • Seven position receiver extension
  • Lock plate
  • Lock nut
  • VLTOR EMOD stock

Vltor A5 Stock Combo Kit Orderable Models

List of Orderable Models

  • Vltor A5 Stock Combo Kit , MPN: AEBK-A5B , Code: 24Y-BSC-ASCK-AEBKA5B
  • Vltor AEBK-A5 Stock Combo Kit, Flat Dark Earth AEBK-A5T , MPN: AEBK-A5T , Code: 24Y-BSC-ASCK-AEBK-A5T

Vltor A5 Stock Combo Kit Unavailable & Discontinued Models

List of Unorderable Models

  • DEMO, Vltor AEBKA5B A5 Stock Combo Kit AR-15 Polymer Black , MPN: AEBK-A5B-DEMO , Code: 24Y-BSC-ASCK-AEBKA5B-DEMO
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