Leapers UTG PRO Mil-Spec 6 Position Receiver Extension Tube KIT - Black
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Leapers
Overview
The Leapers UTG Pro Mil-Spec 6 Position Receiver Extension Tube Kit is a complete buffer tube assembly designed for carbine-length applications. Made from 6061-T6 aluminum, this Mil-Spec buffer tube features six adjustable positions to provide customizable length of pull, which is essential for achieving optimal ergonomics for different shooters. This product is commonly found in builds utilizing a mid-length gas system and chambered in 5.56 NATO, making it a practical choice for those looking to enhance their AR-15 configuration.
Specifications
Available Merchants(6)
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Price Alert
October 2026 so far on GunPartPicker
Leapers UTG PRO Mil-Spec 6 Position Receiver Extension Tube KIT - Black is the fifth most added buffer tube assembly on GunPartPicker so far in October 2026, behind the KAK Industry Mil-Spec Carbine Buffer Tube KIT, Black, with about 6% of all buffer tube kits added to builds. Up from #10 in September. Builds with this buffer tube assembly are mostly chambered in 5.56 NATO (66%, then .223 Wylde 10%), split between mid-length (52%) and carbine-length (30%) gas systems, and mostly AR-15 (91%).
It was in stock most days in September 2026, and today 5 of the 6 retailers we track have it in stock. Prices barely moved in September 2026, holding around $37.97, so there haven't been real sales lately. Buying today, the lowest price is $24.10 at Sportsmans Outdoor Superstore, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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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 Leapers Utg Pro Mil-Spec 6 Position Receiver Extension Tube Kit - Black
| Build | Parts | Total |
|---|---|---|
 | 20 | $807.71 |
 | 18 | $2086.90 |
 | 21 | $1448.17 |
 | 20 | $971.83 |
 | 19 | $1405.40 |
 | 24 | $3583.47 |
 | 27 | $3334.83 |
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