R
ROWDY7Zlove it
Reviewed on April 6, 2026
trigger pull is crisp and the reset is short. love it
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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
MPNARM112-BLK
MaterialAluminum
ColorBlack
TypeAmbidextrous
Throw Angle45°
FinishHardcoat Anodized
Frequently Built With
Based on build data
CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B
Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger
Strike Industries Extended Bolt Catch
Aero Precision Ar-15 Ambidextrous Bolt Release
Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers
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.
100%
AR-15100%
CaliberBased on real build data showing which calibers builders choose alongside this product.
100%
5.56 NATO100%
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
100%
Carbine100%
| Product | Category | Times Built Together |
|---|---|---|
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 11 | |
| Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK | 8 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 6 | |
| Strike Industries Extended Bolt Catch | 6 | |
| Aero Precision Ar-15 Ambidextrous Bolt Release | 5 | |
| Aero Precision Ar-15 Breach Charging Handle Ambidextrous Small Levers | 5 |
| Platform | Percentage |
|---|---|
| AR-15 | 100% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 100% |
| Gas System | Percentage |
|---|---|
| Carbine | 100% |
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 | $1327.21 |
 | 26 | $5639.35 |
 | 19 | $493.48 |
 | 24 | $3091.82 |
 | 22 | $1227.28 |
 | 19 | $1020.22 |
Customer reviews
5.0out of 5
1 global rating