Strike Industries AR Enhanced Castle Nut & Extended QD End Plate, Blue - SI-AR-ECN&EEP-BLU
Strike Industries
Overview
The Strike Industries AR Enhanced Castle Nut & Extended QD End Plate is designed for a secure and reliable attachment of your stock to the buffer tube. Constructed from 6061-T6 aluminum, this castle nut features a quick detach (QD) function that allows for easy accessory mounting while ensuring a firm connection. This product is often found in builds utilizing a mid-length gas system chambered in 5.56 NATO, making it a practical choice for those setups.
Specifications
Strike Industries AR Enhanced Castle Nut & Extended QD End Plate, Blue - SI-AR-ECN&EEP-BLU
Build history on GunPartPicker
Builders on GunPartPicker first added the Strike Industries AR Enhanced Castle Nut & Extended QD End Plate, Blue - SI-AR-ECN&EEP-BLU to a build in February 2026.
Today the one retailer we track has it in stock. Buying today, the lowest price is $59.95 at KY Gun Company.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
Builds Featuring This Part
See all 2 →Builds in the community that include the Strike Industries AR Enhanced Castle Nut & Extended QD End Plate, Blue - SI-AR-ECN&EEP-BLU
| Build | Parts | Total |
|---|---|---|
 | 19 | $1246.35 |
 | 19 | $1246.35 |
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