Home / AR Lower Components / SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT$10.44 6 in stock [] SOLGW MIL-SPEC RECEIVER EXTENSION CASTLE NUT quantity Add to cart UPC: 785939517545 SKU: CASTLENUTMS Category: AR Lower Components Tag: solgw Product ID: 16084 Description Description SOLGW MIL SPEC RECEIVER EXTENSION CASTLE NUT You may also like… SOLGW AMBI SAFETY SELECTOR KIT $28.50 Add to cart Related products Magpul MOE Trigger Guard, Polymer – AR15/M4 – FDE $8.50 Add to cart Out of stock BCM GUNFIGHTER QD End Plate $16.95 Read more Out of stock FORWARD CONTROLS DESIGN EMR-A ENHANCED MAGAZINE RELEASE AMBIDEXTROUS DIMPLED STD LEVER $66.50 Read more SOLGW H2 BUFFER AR15 $43.69 Add to cart