+1-800-504-5897 Live Chat Help Center Check Order Status
About Us Policies Reviews How To
Free Shipping & Free Returns*

FREE SHIPPING on Over 250,000 Products

Shop now and get Free Value Shipping on most orders over $49 to the contiguous 48 states, DC, and to all U.S. Military APO/FPO/DPO addresses.

Enjoy our FREE RETURNS

We want to ensure that making a return is as easy and hassle-free as possible! If for any reason you are not satisfied with your purchase, simply return the item within 30 days of receipt, and we'll cover the cost of return shipping. Learn more about our Return Policy.

  • Entire Store
  • ...
  • Apparel & Footwear
  • Astronomy
  • Everything Else
  • Eyewear
  • Hunting Gear
  • Lab Equipment
  • Military Gear
  • Outdoor Gear
  • Photography Equipment
  • Police, EMS & Fire
  • Shooting
  • Sport Optics
  • Sports & Hobbies
TIP
Shopping Cart

Vltor SP-1 Carbine Spring and Buffer Kit Gun Model: AR-15, Additional Features: Carbine, $3.29 Off

Vltor Carbine Spring And Buffer Kit
Vltor Carbine Spring And Buffer Kit
1 of 1 images
Vltor Carbine Spring And Buffer Kit

Tap Tap to Zoom

Government Export Restriction Government Export Restriction
Government Restriction Government Restriction
Questions & Answers
When using this in a Magpul UBR Gen 2 stock, will you need to use the buffer spacer provided by Magpul, or is it not necessary? Manufacturer Answer

You will need to use the spacer as this is not our A5 system.

by VLTOR Weapon Systems, Manufacturer, May 10, 2023
See 1 More Answer
What is the length of the spring in inches?

This is a Mil-Spec Carbine Spring which measures out at approximately 10.5".

by VLTOR, Verified Owner, March 18, 2026
View All Q&A You Have a Question? Ask!
Customer Reviews
Helpful Positive Review
Awesome buffer by Avery Woods, Verified Owner, February 24, 2018
This is an awesome product. Put it in my buffer tube and everything cycled flawlessly. I have heard lots of great things about these kits. The get rid of the spring noise and recoil is nonexistent. Will def use on my next few builds.
1/3 found this helpful
Helpful Positive Review
Vltor Carbine Spring by ibwaltb, Verified Owner, February 18, 2018
Would recommend this product over generic options out there. Finish and sense of 'quality' feel better than the generic counterparts I've used in the past. Have bought more since initial purchase. Hard to find a product with a name like Vltor for thi...
Read More...
1/3 found this helpful
Helpful Positive Review
Vltor carbine buffer kit by JTY1776, January 23, 2017
Everything wanted and expected. Stand behind there name. Have them in all my carbines. Always reliable and affordable. Never any issues with Vltor. If you ever do though, there CS, along with there products is why they rank among the best.
1/1 found this helpful
Most Recent Reviews
Carbine Buffer by Ken, Verified Owner, June 21, 2026
I ordered the above product to cure a problem with the cycling of different ammo weights. This product rectified my problem and allows all Ammon in my 300 Blackout to feed properly. Great product �
Most Recent Reviews
Works as advertised by Ghosty, Verified Owner, August 14, 2022
This isnt particularly anything special but it definitely serves its purpose. It cycles exactly as it should and doesn't feel bad either. Packaged nicely. Unfortunately the "value shipping" takes a BIT longer than usual which is annoying but whatever...
Read More...
Most Recent Reviews
Buffer Tube for Pistol Build by Moose, April 14, 2020
Vltor makes a great product. Fit and finish was as expected. I didn’t need the end plate (using a Magpul with QD mount) but well worth the price. Fit on a Sb Tactical pistil brace with little movement. Shipping took a few days longer due to COVID-19 ...
Read More...
Read All 6 Reviews

14% OFF Gun Parts

See promotion details.
MERICAAClick to Copy Coupon Code
Eligible models will have a savings offer and the coupon code to use below. Add the item to your cart and enter coupon code for savings on that select model! Limited time only. Cannot be combined with other promotions or offers.
Gun Model:
AR-15
Additional Features:
Carbine
Condition:
New

Code: 24Y-BFA-VSP1-SP1

MPN: SP-1

List: $32.95Save 10%
$29.66

Product Info for Vltor SP-1 Carbine Spring and Buffer Kit

The Vltor Carbine Spring and Buffer are perfect replacement or upgrade parts for your carbine rifle build. These AR15 Buffer Assemblies are uniquely manufactured to provide repeatable accuracy and reliability throughout the system of your firearm. Featuring a standard 3oz carbine buffer, this Vltor SP-1 Standard Carbine Buffer and Spring Kit will not work on the VLTOR A5 buffer system. Don't settle for less, make sure your carbine rifle is equipped with the best - pick up a Vltor Carbine Rifle Spring and Buffer Kit!image

Specifications for Vltor SP-1 Carbine Spring and Buffer Kit:

Manufacturer: VLTOR
Gun Model: AR-15
Additional Features: Carbine
Condition: New

Features of Vltor SP-1 Carbine Spring and Buffer Kit:

  • Standard carbine buffer
  • Carbine length action spring
  • VLTOR endplate
  • Receiver locknut

Package Contents:

  • Vltor SP-1 Carbine Spring and Buffer Kit

What firearm models does the manufacturer say Vltor SP-1 Carbine Spring and Buffer Kit is compatible with?

The manufacturer suggests that Vltor SP-1 Carbine Spring and Buffer Kit is compatible with AR-15

Vltor SP-1 Carbine Spring and Buffer Kit Orderable Models

List of Orderable Models

  • Vltor SP-1 Carbine Spring and Buffer Kit , MPN: SP-1 , Code: 24Y-BFA-VSP1-SP1
Compare (0)
1 item has been added
Add at least two items to compare
Last updated 2026-06-22 UTC.