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
***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 us at TechSupport@Vltor.com
Additional information
| Weight | 16.1 oz |
|---|---|
| Dimensions | 12 × 4 × 2 in |
| With Receiver Extension? | No (Spring Kit Only), Add SOLGW A5RE |
50 reviews for VLTOR SP-A5: A5 SPRING AND BUFFER KIT
Only logged in customers who have purchased this product may leave a review.

shortbarreldaddy (verified owner) –
The a5 system is a great improvement on just about any AR
ryanarms71 (verified owner) –
great product and works as intended! i put the A5 sauce on everything!
Dorsey (verified owner) –
Add the A5-compatible buffer tube of your choice and you have everything you need to get started with the A5 buffer system AND complete that portion of your rifle.
aaron-griffin (verified owner) –
Very nice upgrade, smooth shooting
julien.gutierrez (verified owner) –
Way better upgrade from the mil spec options