Abstract: A rear sight block/barrel assembly for an AK-47 rifle may include a bull barrel and a rear sight block. The bull barrel may include a first portion, a second portion having an outer diameter less than the first portion, and a third portion having an outer diameter less than the second portion. The bull barrel may include a right handed outer diameter threaded portion that extends from the distal end of the bull barrel. The rear sight block may include a body portion including a lower bore configured so the body portion is press fittable onto the second portion of the bull barrel. The body portion may further include a mount portion having a picatinny rail portion and a dovetail portion. The body portion may include a hole for receiving a pin insertable into the hole for securing the gas tube in position relative to the rear sight block.

Abstract: A rear sight block/barrel assembly for an AK-47 rifle may include a bull barrel and a rear sight block. The bull barrel may include a first portion, a second portion having an outer diameter less than the first portion, and a third portion having an outer diameter less than the second portion. The bull barrel may include a right handed outer diameter threaded portion that extends from the distal end of the bull barrel. The rear sight block may include a body portion including a lower bore configured so the body portion is press fittable onto the second portion of the bull barrel. The body portion may further include a mount portion having a picatinny rail portion and a dovetail portion. The body portion may include a hole for receiving a pin insertable into the hole for securing the gas tube in position relative to the rear sight block.

Abstract: A rear sight block/barrel assembly for an AK-47 rifle may include a bull barrel and a rear sight block. The bull barrel may include a first portion, a second portion having an outer diameter less than the first portion, and a third portion having an outer diameter less than the second portion. The bull barrel may include a right handed outer diameter threaded portion that extends from the distal end of the bull barrel. The rear sight block may include a body portion including a lower bore configured so the body portion is press fittable onto the second portion of the bull barrel. The body portion may further include a mount portion having a picatinny rail portion and a dovetail portion. The body portion may include a hole for receiving a pin insertable into the hole for securing the gas tube in position relative to the rear sight block.

Abstract: An anchor device and method for safely and reliably securing watercraft to the bed of a body of water is provided. The anchor device may include a handle member with detachable components and an auger. The auger may be bored into the ground upon rotation of the handle member and then detached from the handle member by lifting the handle member vertically. The auger may include a shaft with a square cross-section and a pointed bottom end. Two auger blades, separated by an axial gap, may be attached to the shaft. Each auger blade may extend circumferentially around the shaft in a helical configuration.

Abstract: An anchor device and method for safely and reliably securing watercraft to the bed of a body of water is provided. The anchor device may include a handle member with detachable components and an auger. The auger may be bored into the ground upon rotation of the handle member and then detached from the handle member by lifting the handle member vertically. The auger may include a shaft with a square cross-section and a pointed bottom end. Two auger blades, separated by an axial gap, may be attached to the shaft. Each auger blade may extend circumferentially around the shaft in a helical configuration.