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Strike Industries
Overview
The Strike Industries AR-15 Buffer Tube is a Mil-Spec carbine buffer tube designed for versatility with its 7-position adjustable feature. Constructed from durable 7075-T6 aluminum and finished with hardcoat anodizing, this tube provides a reliable foundation for your AR-15 build. It is commonly used in mid-length gas system configurations chambered in 5.56 NATO, making it a solid choice for builders looking to optimize their rifle's performance.
Strike Industries AR-15 Buffer Tube - 7-Position Advanced Receiver Extension - Red
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Strike Industries AR-15 Buffer Tube - 7-Position Advanced Receiver Extension - Red ranks #12 of the 49 buffer tubes builders have added on GunPartPicker so far in September 2026, behind the Strike Industries Carbine Length Pistol Buffer Tube - Black, with about 2% of all buffer tubes added to builds. Up from #14 in July and August. Builds with this buffer tube are split between 5.56 NATO (44%) and .223 Wylde (33%), mostly on mid-length gas (80%, then rifle-length 20%), and mostly AR-15 (67%, then AR-10 20%).
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today 4 of the 5 retailers we track have it in stock. The best price crept up from $51.95 to $53.95 over August 2026. Buying today, the lowest price is $51.95 at BattleHawk Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 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 Strike Industries Ar-15 Buffer Tube - 7-Position Advanced Receiver Extension - Red
| Build | Parts | Total |
|---|---|---|
 | 27 | $2143.66 |
 | 28 | $2678.05 |
 | 24 | $1518.03 |
 | 12 | $882.10 |
 | 22 | $1711.50 |
 | 32 | $2299.42 |
 | 23 | $996.40 |
 | 25 | $2073.53 |
1 global rating
Top reviews
Strike Industries 7-position buffer tube in red has more positions than a standard milspec carbine tube. Each position locks positively. Red anodize is bright and unique. Threads to a milspec castle nut. Solid for a custom build.
