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Palmetto State Armory
Overview
The PSA AR15 Bolt Catch is a standard steel component designed to securely hold the bolt carrier group in the rearward position after the last round is fired, allowing for smooth reloads. Its robust construction ensures reliability during operation, making it an essential part of your AR-15's lower receiver assembly. This bolt catch is frequently found in builds with a carbine gas system and chambered in 5.56 NATO, making it a practical choice for a variety of tactical and recreational applications.
Based on build data

Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK
Takedown Pin
Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black
Gas Block
Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom
Lower Receiver
Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C
Charging Handle
Law Tactical AR Folding Stock Adapter Gen 3 - HK
Stock Adapter
Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length
Gas TubeAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Strike Industries AR-10 Shift Pins, Black - SI-AR10-SHIFT-BK | Takedown Pin | 115 |
| Wilson Combat Ar-15 Lo-Profile Gas Block .750" Black | Gas Block | 94 |
| Aero Precision Stripped M4e1 Ar-15 Lower Receiver - Special Edition - Freedom | Lower Receiver | 88 |
| Battle Arms Development Rack Ambidextrous Ar-15 Charging Handle - Mod C | Charging Handle | 81 |
| Law Tactical AR Folding Stock Adapter Gen 3 - HK | Stock Adapter | 80 |
| Wmd Guns Ar-15 Gas Tube Nitromet Mid-Length | Gas Tube | 79 |
| Platform | Percentage |
|---|---|
| AR-15 | 80.7% |
| AR-10 | 17.2% |
| AR-9 | 2.2% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 66.5% |
| .223 Wylde | 14% |
| 300 Blackout | 7.7% |
| .308 Win | 3.6% |
| 9mm | 1.7% |
| .450 Bushmaster | 1.5% |
| 6mm ARC | 1.1% |
| 7.62x39mm | 0.9% |
| .458 SOCOM | 0.7% |
| 6.5 Grendel | 0.6% |
| .223 Remington | 0.6% |
| .204 Ruger | 0.2% |
| .22 LR | 0.2% |
| .224 Valkyrie | 0.2% |
| 6.5 Creedmoor | 0.2% |
| 6.8 SPC II | 0.2% |
| 7.62x51 NATO | 0.2% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 47.6% |
| Carbine | 26.4% |
| Rifle | 14.4% |
| Pistol | 10.3% |
| Blowback | 0.7% |
| Intermediate | 0.4% |
| Proprietary | 0.2% |
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