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Spike's Tactical
Overview
The Spike's Tactical 6-Position Mil-Spec Buffer Tube is designed for carbine-length gas systems, providing a reliable foundation for your AR-15 build. Constructed from durable 7075-T6 aluminum and finished with hardcoat anodizing, this buffer tube ensures resilience and longevity while allowing for six adjustable positions to accommodate various shooting preferences. This component is commonly found in builds utilizing a carbine gas system chambered in 5.56 NATO, making it a versatile choice for standard configurations.
Prices checked
Spike's Tactical 6-Position Mil-Spec Buffer Tube ranked #23 of the 49 buffer tubes builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #22 of the 63 buffer tubes builders have added. Builds with this buffer tube are mostly chambered in 5.56 NATO (63%, then 300 Blackout 16%), split between mid-length (47%) and carbine-length (27%) gas systems, and mostly AR-15 (93%).
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 7 retailers we track have it in stock. The best price crept up from $32.49 to $34.20 over September 2026. Buying today, the lowest price is $32.49 at Ammunition Depot, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every buffer tube by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Buffer Tube Guide →Check it against the live catalog:
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Aggregated and anonymized data showing how builders use this product
Builds in the community that include the Spike's Tactical 6-Position Mil-Spec Buffer Tube
| Build | Parts | Total |
|---|---|---|
 | 33 | $2800.55 |
 | 24 | $1175.44 |
 | 16 | $945.63 |
 | 23 | $2214.06 |
 | 19 | $2301.67 |
 | 18 | $1841.09 |
2 global ratings
Top reviews
Spikes Tactical milspec buffer tube has the standard 6 positions and the rear QD socket. Threads to a milspec castle nut without issue. Anodizing is the matte black expected. Integrated QD socket means no separate end plate needed for a one point sling.
Spikes Tactical 6-position buffer tube is lightweight but solid feeling. Anodize is matte black across the surface. Six positions click positively. Threads to a standard milspec castle nut. Integrated rear QD socket. Solid mil-spec tube.
