Kel tec sub2k heavy bolt, This accessory is designed to replace the SUB2000 Bolt (Part #: SUB2000-152-Bolt. In some older GEN 1’s: SR-152-Bolt). By replacing the standard bolt in the SUB2000 with a heavier bolt, there is less felt recoil due to the blowback design of the weapon. The heavy weight bolt weighs 14.4 ozs, fits only 1st or 2nd Gen Sub 2000, All transactions can take up to 7 business days for completion. We are a FFL, Florida residents add sales tax for your county, there is no local pick up and we do not have a retail store for you to come see the item. You can use the online checkout with a credit card. The price listed is a cash price; credit cards add 3% to the total. this thing is heavy and will cost every bit of the $8 to ship it.