Home / Accessory-Parts / Keystone Sporting Arms THREAD ADAPTER 3/8X24-1/2X28 View cart You cannot add that amount to the cart — we have 1 in stock and you already have 1 in your cart. Sale! Keystone Sporting Arms THREAD ADAPTER 3/8X24-1/2X28$3999 Original price was: $3999.$3733Current price is: $3733. Only 2 left 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 ProMag PROMAG VERTICAL FORE GRIP BLK $1699 Sale! Warne SKYLINE PM DELTA CARD HOLDER $8699 Original price was: $8699.$6935Current price is: $6935. Q TAPER ADAPTER 5/8X24 $2500 Sale! Christensen Arms DBM BOTTOM METAL LA HUNTER $26999 Original price was: $26999.$23825Current price is: $23825.