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Holosun
Overview
The Holosun HE509T is a compact green dot sight designed for fast target acquisition and enhanced visibility in various lighting conditions. Featuring a 2 MOA dot size, it allows for precise aiming, while the Shake Awake technology ensures the sight activates with movement, conserving battery life when not in use. This optic is commonly found on carbine builds chambered in 5.56 NATO, making it a practical choice for those looking to optimize their setup for both accuracy and ease of use.
Specifications
Holosun HE509T Green Dot Sight With Shake Awake, Black - HE509T-GR
Available Merchants(7)
Prices checked
Price Alert
Build history on GunPartPicker
Builders have added the Holosun HE509T Green Dot Sight With Shake Awake, Black - HE509T-GR to their builds on GunPartPicker. Since April 2026, it ranks #83 of the 575 optics builders have added. Builds with this optic are mostly chambered in 5.56 NATO (75%, then 300 Blackout 25%), mostly on mid-length gas (67%, then carbine-length 17%), and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 6 of the 7 retailers we track have it in stock. Prices barely moved in October 2026, holding around $459.99, with no real sale all month. Buying today, the lowest price is $459.99 at Palmetto State Armory, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
Sharps Bros Showdown Stripped Lower Receiver - Black, Unique Design and High-Performance for Custom AR Builds - SBLR11
Rise Armament Super Sporting AR15/10 Single Stage Trigger - Flat - Dtom Special Edition
SureFire X300-A Turbo Weapon Light - 650 Lumens - Tan
Daniel Defense MK12 SPR URG 5.56mm 18 Upper Receiver Group
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
ARISAKA HAND STOP
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use 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.
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