KNS Precision AR/MCX Stock Adapter KIT with Flange
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KNS Precision
Overview
The KNS Precision AR/MCX Stock Adapter Kit with Flange is designed to provide a seamless interface for attaching a stock to your AR or MCX platform. It utilizes a Mil-Spec carbine buffer tube, ensuring compatibility with a wide range of stocks while maintaining the reliability needed for effective operation. This adapter is commonly found in builds featuring a mid-length gas system and chambered in 5.56 NATO, making it a practical choice for builders aiming for a balanced performance.
Specifications
August 2026 on GunPartPicker
KNS Precision AR/MCX Stock Adapter KIT with Flange was the eighth most added stock adapter on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it is the eighth most added stock adapter on the site. Builds with this stock adapter are nearly all chambered in 5.56 NATO, split between carbine-length (40%) and mid-length (40%) gas systems, and mostly AR-15 (75%, then AR-10 25%).
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.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
Builds Featuring This Part
See all 3 →Builds in the community that include the KNS Precision AR/MCX Stock Adapter Kit with Flange
| Build | Parts | Total |
|---|---|---|
 | 28 | $2007.07 |
| 27 | $1818.86 |
 | 29 | $5471.89 |
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