The ATI Outdoors AR-15 Crush Washer, available in a 5-pack, fits over 1/2-28 threads and features a sleek black oxide finish. These black, steel spacer washers are specifically designed for AR 15 223/5.56 firearms.
Specs
| Model No. | ADVA5102253 |
| Manufacturer | ATI Outdoors |
| Color | Black |
