Geissele Automatics Super 42 Braided Buffer Spring and H3 Buffer
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Geissele
Overview
The Geissele Automatics Super 42 Braided Buffer Spring and H3 Buffer is designed to enhance the performance of your AR-15 by providing superior reliability and smoother cycling. This assembly features a braided design that improves resilience and reduces wear over time, while the H3 buffer offers a balanced weight that helps mitigate recoil. This combination is typically found in carbine gas system builds chambered in 5.56 NATO, making it an excellent choice for those looking to optimize their setup for both performance and durability.
Specifications
Available Merchants(9)
Prices checked
Price Alert
October 2026 so far on GunPartPicker
Geissele Automatics Super 42 Braided Buffer Spring and H3 Buffer is the most added buffer on GunPartPicker so far in October 2026, ahead of the CMMG AR-15 Carbine Buffer Assembly - 55CA977, with about 17% of all buffers added to builds. That's its 6th straight month at #1. Builds with this buffer are mostly chambered in 5.56 NATO (74%, then 300 Blackout 10%), split between mid-length (54%) and carbine-length (28%) gas systems, and mostly AR-15 (94%).
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 9 retailers we track have it in stock. It dipped to $104.99 at Sportsmans Outdoor Superstore for a stretch in September 2026, well under its usual $127.87 to $129.18, so sales do come around. Buying today, the lowest price is $108 at BattleHawk Armory.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
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Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all builds →Builds in the community that include the Geissele Automatics Super 42 Braided Buffer Spring and H3 Buffer
| Build | Parts | Total |
|---|---|---|
 | 23 | $2440.17 |
 | 18 | $1340.80 |
 | 27 | $4920.73 |
 | 30 | $4517.86 |
 | 30 | $5368.94 |
 | 22 | $1706.54 |
 | 29 | $7198.88 |
 | 23 | $1971.97 |
 | 19 | $2881.80 |
 | 29 | $3797.04 |
 | 28 | $3326.17 |
 | 21 | $2150.57 |
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