VLTOR: Buffer Kits

Your Price: Starting at $26.96
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Buffer Kit:

SP-1:  Carbine Spring and Buffer Kit

The Vltor SP-1 Carbine Spring and Buffer Kit is an exceptional choice for replacing existing parts or for a new build of a carbine rifle. The parts are manufactured to ensure accuracy and reliability in the weapon system. This kit comes with a standard 3oz carbine buffer (3.25″ OAL), standard carbine spring, Vltor lockplate, and castle nut. ***These components are standard carbine components. These are NOT components from our A5 buffer system.

  • Standard carbine buffer
  • Carbine length action spring
  • VLTOR endplate
  • Receiver locknut
  • Standard carbine weighted buffer included
  • Receiver locknut has three notches for staking
  • Weight 6.00oz

SP-A5:  A5 Spring and Buffer Kit

The SP-A5 Spring and Buffer Kit includes everything you’ll need to outfit your rifle with VLTOR’s patented A5 Buffer System (aside from a compatible receiver extension tube).

The SP-A5 Spring and Buffer kit includes:
(1) “A5H2” A5 Buffer
(1) A5 Buffer Spring
(1) Vltor Lockplate
(1) Vltor Castle Nut


  • VLTOR A5H2 (5.3oz) standard weighted buffer included
  • Receiver locknut has three notches for staking

***The SP-A5 kit is designed for the VLTOR A5 system and is only compatible with other VLTOR A5 products. This SP-A5 spring kit requires the use of an A5 receiver extension tube. The physical dimensions of A5 buffer components are different than that of standard carbine or rifle buffer components. You cannot blend components from the different buffer systems. Doing so may result in injury or damage to your firearm. For additional information, please email TechSupport@Vltor.com

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