Rise Armament RA-100F AR Trigger Two-Stage Flat S7 Tool Steel 4.5-lb Pull Fits AR-10/AR-15.

All Rise Armament triggers
Rise Armament RA-100F AR Trigger Two-Stage Flat S7 Tool Steel 4.5-lb Pull Fits AR-10/AR-15. - Trigger for AR-15 - view 1
Rise Armament RA-100F AR Trigger Two-Stage Flat S7 Tool Steel 4.5-lb Pull Fits AR-10/AR-15. - Trigger for AR-15 - view 2
Rise Armament RA-100F AR Trigger Two-Stage Flat S7 Tool Steel 4.5-lb Pull Fits AR-10/AR-15. - Trigger for AR-15 - view 3
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Rise Armament

Overview

The Rise Armament RA-100F AR Trigger is a two-stage trigger designed specifically for AR-10 and AR-15 platforms, featuring a flat trigger bow that provides a consistent feel during pull. With a pull weight of 4.5 lbs, this trigger allows for precision shooting by offering a distinct break between the stages, enhancing accuracy and control. This trigger is commonly found in builds utilizing a mid-length gas system and chambered in .308 Win, making it a solid choice for those seeking improved trigger performance in their setups.

Specifications

MPNRA100F
TypeTwo-Stage
PlatformAR-10
Trigger BowFlat
Pull Weight4.5 lbs

Available Merchants(7)

Prices checked

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Optics Planet logo
Optics Planet
Free shipping
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In Stock
$89.99
Palmetto State Armory logo
Palmetto State Armory
Free shipping
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$100.99
Brownells logo
Brownells
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Out of Stock
$99.99
Primary Arms logo
Primary Arms
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$99.99
Classic Firearms logo
Classic Firearms
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$99.99
BattleHawk Armory logo
BattleHawk Armory
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Out of Stock
$99.99
KY Gun Company logo
KY Gun Company
Flat rate shipping
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Out of Stock
$99.99

September 2026 on GunPartPicker

Rise Armament RA-100F AR Trigger Two-Stage Flat S7 Tool Steel 4.5-lb Pull Fits AR-10/AR-15. ranked #52 of the 228 triggers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since January 2026. All time, it ranks #100 of the 512 triggers builders have added. Builds with this trigger are split between .308 Win (54%) and 5.56 NATO (19%), split between rifle-length (41%) and mid-length (29%) gas systems, and split between AR-15 (51%) and AR-10 (49%).

It was in stock most days in September 2026, but today 2 of the 7 retailers we track have it in stock. It dipped to $79.99 at Optics Planet for a stretch in September 2026, well under its usual $99.99, so sales do come around. Buying today, the lowest price is $89.99 at Optics Planet, above September's low of $79.99, so a better deal may come back.

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Frequently Built With

The part most often added in each category by the builds that include this one

Build Configuration Breakdown

Aggregated and anonymized data showing how builders use this product

Platform

51.4%
AR-1551.4%
AR-1048.6%

Caliber

53.8%
.308 Win53.8%
5.56 NATO19.2%
.223 Wylde11.5%
300 Blackout11.5%
6.5 Creedmoor3.8%

Gas System

41.2%
Rifle41.2%
Mid-Length29.4%
Pistol23.5%
Carbine5.9%

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