Jun 2, 2026

US12644660 - Rifle with straight pull bolt action

A rifle having a straight pull bolt assembly with a bolt handle that extends outward and downward from a bolt operation mechanism. The bolt handle rotatable a limited rotational range forward and rearwardly about a horizontal axis for operating the mechanism. The handle can be reconfigured to position its rotational range about the horizontal axis and can be attached to the mechanism at either left or right sides to provide for ambidextrous operation. Bolt heads, lower frame members with magazine wells, and barrel assemblies can be readily swapped to change ammunition. The bolt assembly can be unlocked by firing or by a thumb push button release at the backside of the mechanism. A bolt removal release mechanism is forward of the thumb pushbutton and an ejector includes a spring bias and cam follower surface to reliably eject casings.

Assignee: Savage Arms, Inc.
Inventors: Andrew G. Sunseri
Filing date: 2024-07-09

rifleboltfirearmammunition

The patent describes a rifle featuring a straight pull bolt action that allows for ambidextrous operation and the ability to easily swap bolt heads and barrel assemblies for different ammunition types. It includes a unique bolt operation mechanism that can be unlocked either by firing or via a thumb push button release, enhancing user convenience and functionality.

Claim 1

1 . A bolt action rifle comprising: a stock, a receiver supported by the stock, a barrel assembly extending from the receiver, a trigger mechanism below the receiver, a bolt action above the trigger mechanism and removably contained within the receiver, wherein the bolt action comprises: a rearward bolt operation mechanism, a bolt portion extending forwardly from the rearward bolt operation mechanism, wherein the bolt portion comprises a bolt body with an open front end for receiving a first bolt head, the first bolt head having a plurality of extendable roller balls spaced around a circumference of the first bolt head for locking the first bolt head with the bolt portion to the barrel assembly, the first bolt head replaceable with a second bolt head configured for different sized cartridges. a stock, a receiver supported by the stock, a barrel assembly extending from the receiver, a trigger mechanism below the receiver, a bolt action above the trigger mechanism and removably contained within the receiver, wherein the bolt action comprises: a rearward bolt operation mechanism, a bolt portion extending forwardly from the rearward bolt operation mechanism, wherein the bolt portion comprises a bolt body with an open front end for receiving a first bolt head, the first bolt head having a plurality of extendable roller balls spaced around a circumference of the first bolt head for locking the first bolt head with the bolt portion to the barrel assembly, the first bolt head replaceable with a second bolt head configured for different sized cartridges.

Google Patents

https://patents.google.com/patent/US12644660

USPTO PDF

https://image-ppubs.uspto.gov/dirsearch-public/print/downloadPdf/12644660