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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 6oz



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Vltor Carbine Spring and Buffer Kit

Our Price:

Vltor Carbine Spring and Buffer Kit $32.95
  • MSRP$32.95
  • MPNSP-1

Total in stock: 1

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5004 State Highway 74 Cape Girardeau, MO 63701
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