NBS 4-40 Set Screw For Rear Takedown Detent Spring - 1/8" Long - SS - Qty. 1

For use with lower receivers that have a 4-40 threaded rear takedown detent spring hole. Purchase includes only one screw. Note: You may need to snip 1/8" off the detent spring to prevent excess pressure between the detent and the rear takedown pin. Material 18-8 Stainless Steel Thread Size 4-40 Length 1/8" Drive Size 0.050" Screw Size Decimal Equivalent 0.112" Hardness Rockwell B80 Specifications Met ASME B18.3 Thread Type UNC Thread Spacing Coarse Thread Fit Class 3A Thread Direction Right Hand Drive Style Hex Tip Type Flat