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Armaspec
Overview
The Armaspec ECB Kit in Black is designed to enhance the control and performance of your AR-15 or AR-10 platform. With its nitride finish, this kit provides improved durability and wear resistance, ensuring reliable function over time. It is particularly suited for builds chambered in 5.56 NATO, making it a popular choice among builders looking to optimize their firearms for precision and reliability.
Armaspec ECB KIT in Black - High-Performance Enhanced Control Buffer KIT for AR-15 and AR-10 - ARM204-Black
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Armaspec ECB KIT in Black - High-Performance Enhanced Control Buffer KIT for AR-15 and AR-10 - ARM204-Black ranked #56 of the 91 magazine releases builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #70 of the 165 magazine releases builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in August 2026, but today only Palmetto State Armory has it in stock. The best price drifted down from $17.99 to $17.09 over August 2026 without a real sale. Buying today, the lowest price is $17.99 at Palmetto State Armory, above August's low of $17.09, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
We ranked every magazine release by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Magazine Release Guide →The part most often added in each category by the 8 builds that include this one

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