![Amazon.com : Ozark Armament Front Sight Tool - Eliminates Bullet Method - Quickly Adjust A1/A2 (4 or 5 Prong) Front Sight Posts - Solid Metal Construction with Milled Aluminum Front Sight Adjustment Amazon.com : Ozark Armament Front Sight Tool - Eliminates Bullet Method - Quickly Adjust A1/A2 (4 or 5 Prong) Front Sight Posts - Solid Metal Construction with Milled Aluminum Front Sight Adjustment](https://m.media-amazon.com/images/I/71sqPUP+rYL._AC_UF1000,1000_QL80_.jpg)
Amazon.com : Ozark Armament Front Sight Tool - Eliminates Bullet Method - Quickly Adjust A1/A2 (4 or 5 Prong) Front Sight Posts - Solid Metal Construction with Milled Aluminum Front Sight Adjustment
![Taper pin hole - I want to put an A2 site on this barrel but the previous pin hole would be showing. Is this a safety issue to the barrel or drilling Taper pin hole - I want to put an A2 site on this barrel but the previous pin hole would be showing. Is this a safety issue to the barrel or drilling](https://i.redd.it/3i6tyvjgbo941.jpg)
Taper pin hole - I want to put an A2 site on this barrel but the previous pin hole would be showing. Is this a safety issue to the barrel or drilling
![Amazon.com : Real Avid Front Sight Adjuster: universal tool for adjusting A1 and A2 Type Front Sights (4-prong and 5-prong BUIS), Black/Tan : Sports & Outdoors Amazon.com : Real Avid Front Sight Adjuster: universal tool for adjusting A1 and A2 Type Front Sights (4-prong and 5-prong BUIS), Black/Tan : Sports & Outdoors](https://m.media-amazon.com/images/I/6169TLbKdkL._AC_UF350,350_QL80_.jpg)