Home / Accessory-Parts / Keystone Sporting Arms THREAD ADAPTER 3/8X24-1/2X28 Sale! Keystone Sporting Arms THREAD ADAPTER 3/8X24-1/2X28$3999 Original price was: $3999.$3733Current price is: $3733. In stock Keystone Sporting Arms THREAD ADAPTER 3/8X24-1/2X28 quantity Add to cart SKU: KSA61-2M38 Category: Accessory-Parts Product ID: 113471 Description Description Adapter 3/8×24 to 1/2×28Fits Mini Mosin/Mini 1903 Related products Sale! B&T USW-G17 CONVERSION KIT G17 $57500 Original price was: $57500.$45707Current price is: $45707. Wilson Combat GRIP MOD WCP365 XL TAN $6695 ProMag PROMAG VERTICAL FORE GRIP BLK $1699 Sale! POF USA DICTATOR GAS BLOCK CARBINE $16300 Original price was: $16300.$16234Current price is: $16234.