Product Description
Upgrade your AR-15’s recoil system with the VLTOR SP-1 Buffer Kit—built to mil-spec standards for dependable cycling on carbine-length setups. This kit pairs a standard 3oz carbine buffer (3.25" OAL) with a carbine action spring, backed by VLTOR’s lockplate (end plate) and castle nut for a secure, rattle-free install. The result? Smooth recoil impulse, consistent bolt lock, and the kind of repeatable reliability you want whether you’re dialing in a new build or refreshing a trusted rifle.
Why it’s great for real use
At the range or in a carbine class, the SP-1 provides predictable function shot-to-shot, keeping your focus on sight picture and trigger press—not on inconsistent cycling. It’s a straightforward, proven kit that just works.
Key Features
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Mil-spec carbine setup: Standard 3oz buffer + carbine spring for AR-15 carbines.
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Complete hardware: Includes VLTOR lockplate (end plate) and castle nut for a proper, secure install.
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Reliable function: Designed for repeatable accuracy and cycling across typical carbine configurations.
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Build or refresh: Ideal for new builds or replacing worn parts.
Compatibility
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Fits: AR-15, carbine-length receiver extensions.
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Not for VLTOR A5 systems: The SP-1 is not compatible with the VLTOR A5 buffer system (different dimensions/parts).
What’s in the Box
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3oz carbine buffer (approx. 3.25" OAL)
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Carbine action spring
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VLTOR lockplate (end plate)
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Castle nut
