Armaspec ST45 Short Throw Ambidextrous Safety Selector Black
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Armaspec
Overview
The Armaspec St45 Short Throw Ambidextrous Safety Selector features a 45° throw angle, allowing for a quick and efficient transition between safe and fire positions, which is particularly advantageous during high-stress situations. Its ambidextrous design accommodates both left and right-handed shooters, enhancing versatility on the range or in the field. This safety selector commonly appears in builds utilizing a carbine gas system and chambered in 5.56 NATO, making it a practical choice for various applications.
Specifications
Available Merchants(8)
Prices checked
Price Alert
September 2026 on GunPartPicker
Armaspec ST45 Short Throw Ambidextrous Safety Selector Black ranked #44 of the 119 safety selectors builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since January 2026. All time, it ranks #33 of the 229 safety selectors builders have added. Builds with this safety selector are mostly chambered in 5.56 NATO (67%, then .223 Wylde 13%), split between mid-length (44%) and carbine-length (39%) gas systems, and mostly AR-15 (93%).
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today all 8 retailers we track have it in stock. The best price crept up from $30.59 to $32.16 over September 2026. Buying today, the lowest price is $35.99 at Brownells, above September's low of $30.59, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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We ranked every safety by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Safety Selector Guide →Frequently Built With
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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 6 →Builds in the community that include the Armaspec St45 Short Throw Ambidextrous Safety Selector Black
| Build | Parts | Total |
|---|---|---|
 | 16 | $1398.65 |
 | 26 | $5769.24 |
 | 19 | $661.84 |
 | 24 | $3225.95 |
 | 22 | $1155.43 |
 | 19 | $1079.04 |
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