Strike Industries AR-15 Buffer Tube - 7-Position Advanced Receiver Extension - Red
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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.
Specifications
Strike Industries AR-15 Buffer Tube - 7-Position Advanced Receiver Extension - Red
2 options
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Available Merchants(5)
Prices checked
Price Alert
October 2026 on GunPartPicker
Strike Industries AR-15 Buffer Tube - 7-Position Advanced Receiver Extension - Red ranked #11 of the 40 buffer tubes builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #14 of the 71 buffer tubes builders have added. Builds with this buffer tube are split between 5.56 NATO (57%) and .223 Wylde (23%), split between mid-length (49%) and carbine-length (19%) gas systems, and mostly AR-15 (93%).
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 3 of the 5 retailers we track have it in stock. Buying today, the lowest price is $53.95 at Primary Arms.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Sharps Bros Showdown Stripped Lower Receiver - Black, Unique Design and High-Performance for Custom AR Builds - SBLR11
Timber Creek Enforcer AR Pistol Grip, Black - E ARPG Black
Rise Armament Advanced Performance Trigger, Red - RA-535-RED-ARP
Timber Creek Outdoors AR-15 Takedown Pin Set - Red
Rise Armament AR-15 Magazine Release Button - Rise Red
Strike Industries AR-15 Ambidextrous Safety Selector Switch - Red
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 Strike Industries Ar-15 Buffer Tube - 7-Position Advanced Receiver Extension - Red
| Build | Parts | Total |
|---|---|---|
 | 27 | $2283.99 |
 | 28 | $2650.32 |
 | 24 | $1539.38 |
 | 12 | $896.58 |
 | 22 | $1717.83 |
 | 32 | $2343.56 |
 | 23 | $1022.34 |
 | 25 | $2094.74 |
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