Upgrade your AR with our favorite carbine-length flat wire spring. Smoother recoil, reduced vibration, and proven reliability, especially for ARC platforms. A simple precision boost for any build.

CARBINE BUFFER SPRING

STRIKE INDUSTRIES
$21.95
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Description

Our Favorite Spring for ARC and Beyond

This AR Carbine Flat Wire Spring has become our go-to recoil spring for multiple calibers — but it really shines in ARC platforms. While we always keep an eye out for new flat wire options or improvements, this spring currently sets the standard for smooth, consistent cycling and noticeable recoil reduction.

Why choose it? It’s simple: flat wire springs provide a smoother, more consistent shooting cycle, which directly translates to better precision and accuracy. Less recoil impulse, less “twang,” and less vibration mean faster, more controlled follow-up shots.

We’ve run this spring extensively with all PWS buffer assemblies and a variety of buffer weights, and the results have been rock solid across the board.

Want to take it a step further? Pair this spring with a quality spray-on silicone lubricant like Blaster Industrial Strength Silicone Lubricant. It helps protect the spring over time and cuts down residual spring noise during cycling — we’re continuing to test this pairing and will share more results soon.

Manufacturer Features:

  • Cryo-cycled 17-7 PH steel for maximum strength and durability

  • Decreased system harmonics = less vibration and quicker follow-up shots

  • Increased bolt load for more positive feeding

  • Significantly reduces the typical AR “twang”

Package Includes:

  • 1x Carbine-Length Flat Wire Spring

Specs:

  • Outer Diameter: 0.94"

  • Inner Diameter: 0.75"

  • Length: 13 7/8"

  • 35 Coils

  • Wire Gauge (Flat Profile): 0.045" x 0.0935"

If you’re chasing smoother recoil, more consistent cycling, and better reliability shot to shot — this flat wire spring is an easy, worthwhile upgrade.