
AS Designs
Overview
The AS Designs A.S. Designs 4140 Super Safety KIT - Black Oxide Coating, Heat Treated 4140 Tool Steel, Includes Pre-Cut Trigger, AR-15 Compatible is a trigger. Compare prices from multiple merchants and find the best deal.
A.S. Designs 4140 Super Safety KIT - Black Oxide Coating, Heat Treated 4140 Tool Steel, Includes Pre-Cut Trigger, AR-15 Compatible
Prices checked
AS Designs A.S. Designs 4140 Super Safety KIT - Black Oxide Coating, Heat Treated 4140 Tool Steel, Includes Pre-Cut Trigger, AR-15 Compatible ranked #72 of the 262 triggers builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker since September 2026. Since April 2026, it ranks #109 of the 554 triggers builders have added. Builds with this trigger are mostly chambered in 5.56 NATO (71%, then .223 Wylde 14%), split between carbine-length (50%) and mid-length (33%) gas systems, and mostly AR-15 (89%, then AR-9 11%).
Today the one retailer we track has it in stock. Buying today, the lowest price is $90 at Classic Firearms.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every trigger by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Trigger Popularity Report →Check it against the live catalog:
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