Rock River Arms Single Stage Trigger KIT, Black
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Rock River Arms
Overview
Single Stage | AR-15 / AR-10 The Rock River Arms Single Stage Trigger Kit is a standard AR-15 trigger mechanism. It provides a non-adjustable single-stage pull. GPP build data shows this trigger is commonly paired with the Palmetto State Armory PSA AR-15 Blem "Stealth" Stripped Lower Receiver and the Palmetto State Armory PSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI. The most common build profile includes a carbine gas system and 5.56 NATO chambering.
Pros
- +- Single Stage is the most common trigger type in the GPP catalog. - Compatible with both AR-15 and AR-10 platforms.
Trade-offs
- −- Designed for both AR-15 and AR-10 platforms, while most triggers in the catalog are configured for AR-15 only.
Specifications
Build history on GunPartPicker
Builders have been adding the Rock River Arms Single Stage Trigger KIT, Black to their builds on GunPartPicker since February 2026. All time, it ranks #345 of the 511 triggers builders have added. Builds with this trigger are mostly chambered in 5.56 NATO (80%, then .223 Wylde 10%), split between pistol-length (50%) and carbine-length (33%) gas systems, and mostly AR-15 (94%).
It was out of stock everywhere we track for all of September 2026, and today none of the 3 retailers we track has it in stock right now. Listed prices start at $34.34 at BattleHawk Armory for when it comes back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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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:
Frequently Built With
The part most often added in each category by the builds that include this one
RADICAL FIREARMS FORGED AR15 STRIPPED LOWER BLACK
Strike Industries Viper 25 deg Enhanced Pistol Grip for AR-15 and AR-10 Receiver Style Rifles, Black - ARVEPG25
TPS Arms AR-15 Safety Selector, Black - AR1033
LBE Unlimited AR-15 Magazine Catch Assembly, Black - ARMCASY
LBE Unlimited AR-15 Takedown And Pivot Pin Set - ARTDPP
LBE Unlimited Aluminum AR-15 Trigger Guard, Black - AR15TG
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 Rock River Arms Single Stage Trigger Kit, Black
| Build | Parts | Total |
|---|---|---|
 | 12 | $501.80 |
 | 24 | $599.38 |
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