Ruger 10/22 tune up kit. Black oxide v-block, cross pins, Viton bolt buffer take down screw.

RUGER 10/22 AFTERMARKET BLACK OXIDE TUNING KITKIT INCLUDES:VITON BOLT STOP BUFFER WITH ALLOY STEEL CORE PIN, QTY.1BLACK OXIDE ALLOY STEEL RECEIVER CROSS PIN, QTY.2BLACK OXIDE STAINLESS STEEL TAKE-DOWN SCREW, QTY. 1BLACK OXIDE STAINLESS STEEL V-BLOCK WITH ADJUSTABLE SET SCREW, QTY. 1BLACK OXIDE ALLOY STEEL V-BLOCK RETAINER SCREWS, QTY. 2TRIGGER CROSS PINS ARE SLIGHTLY OVERSIZED FOR PERFECT FIT.RECEIVER AND TRIGGER GROUP ASSEMBLY ARE NOT INCLUDED.FAST & FREE SHIPPING. USPS FIRST CLASS WITH TRACKING.MADE IN THE USA PRODUCT QUALITY AND PERFORMANCE SAME AS FACTORY OEM, BROWNELLS, MAGPUL, VOLQUARTSEN, KIDD, TIMNEY, TANDEMKROSS, NDZ PERFORMANCE, PIKE ARMS & OTHER AFTERMARKET VENDORS.