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ZRODelta
Overview
The ZRO Delta AR-15 Selector is a mil-spec safety selector designed for reliable operation in your AR-15 build. Made from durable steel and finished with a phosphate coating, it provides a robust and secure means of selecting your safety settings. This selector is commonly found in builds featuring a carbine gas system and chambered in 5.56 NATO, making it a solid choice for standard configurations.
Based on build data
Wmd Guns Nitromet Ar-15 Bolt Catch
Bolt Catch
CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B
TPS Arms AR-15 Mag Catch Assembly, Black - AR-1031
Law Tactical AR Folding Stock Adapter Gen 3 - HK
Stock Adapter
Alg Defense Qms Ar-15 Trigger Set
Trigger
V Seven Weapon Systems Ar-15 Ultra-Light Magazine Catch Blk Diamonds
Magazine ReleaseAggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Wmd Guns Nitromet Ar-15 Bolt Catch | Bolt Catch | 18 |
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 15 | |
| TPS Arms AR-15 Mag Catch Assembly, Black - AR-1031 | 12 | |
| Law Tactical AR Folding Stock Adapter Gen 3 - HK | Stock Adapter | 11 |
| Alg Defense Qms Ar-15 Trigger Set | Trigger | 11 |
| V Seven Weapon Systems Ar-15 Ultra-Light Magazine Catch Blk Diamonds | Magazine Release | 11 |
| Platform | Percentage |
|---|---|
| AR-15 | 88.9% |
| AR-10 | 7.4% |
| AR-9 | 3.7% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 72.3% |
| .223 Wylde | 8.5% |
| 300 Blackout | 6.4% |
| 6mm ARC | 4.3% |
| 9mm | 4.3% |
| .22 LR | 2.1% |
| 6.8 SPC II | 2.1% |
| Gas System | Percentage |
|---|---|
| Carbine | 46.3% |
| Mid-Length | 34.1% |
| Pistol | 9.8% |
| Blowback | 4.9% |
| Rifle | 4.9% |
Builds in the community that include the Zro Delta Ar-15 Selector Mil-Spec
| Build | Parts | Total |
|---|---|---|
 | 12 | $1525.53 |
 | 25 | $1929.16 |
 | 26 | $3356.74 |
 | 22 | $1311.56 |
 | 11 | $1394.79 |
 | 20 | $1433.68 |
 | 18 | $1547.34 |
 | 15 | $900.65 |
| 24 | $2055.34 |
| 20 | $781.25 |
 | 19 | $574.46 |
 | 13 | $1349.90 |
2 global ratings
ZRO Deltas mil spec safety is plain vanilla, 90 degree throw, single side. Installs like any milspec selector but the included detent spring was slightly too long which required cutting a coil off. Once trimmed everything seated correctly. Function is fine.
mil spec selector, function is correct. install on a tight lower took an extra pass to seat properly because the detent hole geometry on my lower had a slight burr that the OEM selector had cleared, used a chamfer pick to clean it then the selector dropped in
