KNS Precision AR/MCX Stock Adapter KIT without Flange
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KNS Precision
Overview
The KNS Precision AR/MCX Stock Adapter Kit is designed to allow the use of a Mil-Spec carbine buffer tube on your AR or MCX platform, providing a reliable connection for your stock. Constructed from aluminum, this adapter ensures durability while maintaining a lightweight profile. This stock adapter is frequently utilized in builds featuring a mid-length gas system chambered in 5.56 NATO, making it a versatile choice for various configurations.
Specifications
Available Merchants(1)
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Price Alert
November 2026 so far on GunPartPicker
KNS Precision AR/MCX Stock Adapter KIT without Flange is the sixth most added stock adapter on GunPartPicker so far in November 2026, behind the Law Tactical AR Folding Stock Adapter Gen 3 - HK, with about 7% of all stock adapter parts added to builds. That's its 3rd straight month at #6. Builds with this stock adapter are mostly chambered in 5.56 NATO (77%, then .223 Wylde 12%), split between mid-length (50%) and carbine-length (39%) gas systems, and nearly all AR-15.
Today the one retailer we track has it in stock. Buying today, the lowest price is $51 at Primary Arms.
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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 KNS Precision AR/MCX Stock Adapter Kit without Flange
| Build | Parts | Total |
|---|---|---|
 | 24 | $3261.06 |
 | 25 | $541.70 |
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