Geissele Automatics Premium Mil-Spec Buffer Tube Assembly - Super 42 Spring - H1 Buffer - Ddc
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Geissele
Overview
The Geissele Automatics Premium Mil-Spec Buffer Tube Assembly features a durable aluminum construction with a hardcoat anodized finish, ensuring longevity and resistance to wear. This assembly includes a buffer only, designed to fit Mil-Spec buffer tubes, making it suitable for a wide range of AR-15 builds. You'll often find this buffer tube assembly in carbine gas system configurations, particularly for 5.56 NATO caliber rifles.
Specifications
Geissele Automatics Premium Mil-Spec Buffer Tube Assembly - Super 42 Spring - H1 Buffer - Ddc
Build history on GunPartPicker
Builders have been adding the Geissele Automatics Premium Mil-Spec Buffer Tube Assembly - Super 42 Spring - H1 Buffer - Ddc to their builds on GunPartPicker since February 2026. All time, it ranks #32 of the 140 buffer tube kits builders have added. Builds with this buffer tube assembly are nearly all chambered in 5.56 NATO, nearly all on mid-length gas, and nearly all AR-15.
It was in stock most days in August 2026, but today 2 of the 5 retailers we track have it in stock. It dipped to $103.75 at Brownells for a stretch in August 2026, well under its usual $144, so sales do come around. Buying today, the lowest price is $144 at Optics Planet, above August's low of $103.75, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 31 retailers
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