KAK AR-15 Mil-Spec Carbine Buffer Tube / Receiver Extension KIT
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Overview
The KAK AR-15 Mil-Spec Carbine Buffer Tube / Receiver Extension KIT is a buffer tube assembly. Compare prices from multiple merchants and find the best deal.
Specifications
Build history on GunPartPicker
Builders have been adding the KAK AR-15 Mil-Spec Carbine Buffer Tube / Receiver Extension KIT to their builds on GunPartPicker since October 2026. All time, it ranks #30 of the 162 buffer tube kits builders have added.
Today both retailers we track have it in stock. Buying today, the lowest price is $40 at AR15 Discounts.
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
Expo Arms Mid-Length Gas Tube - Stainless Steel
KAK Industry Low Profile Gas Block .750 Steel Phosphate Finish Black
Expo Arms Standard AR-15 Charging Handle
FN AR-15 M16 Barrel 16 Mid-Length 5.56mm
CMMG AR-15 Bolt Catch
Expo Arms® M-LOK Patrol Series AR-15 Handguard - Black - 15"
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.
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