Geissele Super 42® Braided Wire Buffer Spring & Buffer Combo (H3)

High‑Performance Harmonic‑Damped Spring with Heavy Buffer

The innovative Super 42® Spring features three independent wire strands—modeled after the MG42—which act as a harmonic damper and energy absorber. Individual strand flexing disperses excess energy, reducing spring failure risk, eliminating "twang," and preserving performance over time.

Benefits

• 15 % stronger return force than standard springs—improves cycle reliability, even with dirty rifles or steel-case ammo
• Eliminates spring twang felt through the buttstock
• Maintains consistent performance over extended rounds without fatigue
• Use only with a Geissele buffer; standard buffers may damage the rifle or extension

Specifications

• Compatible only with carbine-length receiver extensions
• Not recommended for .300 Blackout subsonic ammunition
• Included: heavy H3 buffer, tuned to match this spring