Handguard alignment pin replacement for various rails that use a dowel pin to prevent rotation such as:
Hodge Defense Wedgelock, Pinchlock, or S-Lock
Sons of Liberty Gunworks (SOLGW) M4-76
Triarc Systems TRILOCK
Noveske NSR and NHR
FN FN15 Tactical Rail System
Made from 416 Stainless Steel it has great hardness and mild corrosion resistance. Chamfered edges allow for easy installation.