KAK Industry Mil-Spec Carbine Buffer Tube KIT, Black
KAK Industry
Overview
The KAK Industry Mil-Spec Carbine Buffer Tube KIT, Black is a buffer tube assembly. Compare prices from multiple merchants and find the best deal.
Specifications
September 2026 on GunPartPicker
KAK Industry Mil-Spec Carbine Buffer Tube KIT, Black was the fifth most added buffer tube assembly on GunPartPicker in September 2026, behind the Geissele Automatics Premium Mil-Spec Buffer Tube Assembly With Super 42 H2 - Black, with about 4% of all buffer tube kits added to builds. Up from #8 in July and August. Builds with this buffer tube assembly are mostly chambered in 5.56 NATO (71%, then 300 Blackout 18%), mostly on mid-length gas (71%, then pistol-length 18%), and nearly all AR-15.
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 $41.85, so there haven't been real sales lately. Buying today, the lowest price is $41.85 at Primary Arms, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
PSA AR-15 "Stealth" Stripped Lower Receiver
Geissele Automatics G2S Two Stage AR-15 Trigger .154"
H&R Retro Charging Handle, Gray Anodized
Magpul MOE Grip Polymer Black
PSA AR-15 Built Stealth Upper Receiver - No T Marks - 516444539
M16 Bolt Carrier Group 5.56X45mm NATO Full Chrome
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use 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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