A firearm suppressor that includes a mount configured to connect the firearm suppressor to a barrel of a firearm. The firearm suppressor includes a first module connected to the mount. The interior of the first module is a first chamber and the first module does not include a baffle. The firearm suppressor includes a second module connected to the first module. The second module includes a plurality of baffles and at least one peripheral pathway that bypasses a second baffle of the plurality of baffles by fluidly connecting an exterior of a first baffle of the plurality of baffles with an exterior of an exterior of a third baffle of the plurality of baffles. The firearm suppressor includes an end cap connected to the second module.

A sound suppressor is provided for a portable firearm, more particularly a pistol. The sound suppressor includes a fastening rail for fastening the sound suppressor to the portable firearm, a sound suppressor insert, designed to reduce sound emissions when a shot is fired, being arranged on the fastening rail and being designed as one piece with the fastening rail.

A fixed-to-tilted silencer adaptor for three-lug attachments enables the use of tilting barrel gun silencers or fixed non-moving barrel gun silencers with different guns of the same caliber. The present invention enables users to utilize a gun silencer with the desired gun even if the gun silencer does not match the design of the gun. To do so, the present invention may comprise a recoil booster and a three-lug adaptor. The recoil booster is designed to accommodate the movement of a tilting barrel while facilitating the connection between the gun silencer and the gun's barrel. The recoil booster also securely receives the three-lug adaptor to facilitate the quick attachment of the recoil booster to the gun's barrel. The three-lug adaptor is designed to enable the quick attachment of the recoil booster to the gun's barrel without interfering with the movement of the gun's barrel when connected to a tilted barrel.

Adapters for mounting an accessory on a firearm, firearm accessories configured to mount to those adapters, and sheath or handguard assemblies of firearms are disclosed. The recited accessory adapter is substantially annular or tubular in shape, and includes at least two portions that are arranged adjacently along the barrel axis of the firearm. A rear portion is formed on the weapon side of the adapter, so that the rear portion is geometrically complementary to the front end of a firearm sheath, at least in part, and a front portion of the adapter includes a cylindrical coupling surface on the outside for coupling of the accessory, where the coupling surface includes at least one bayonet extension that projects radially outwards.

Methods and systems are provided for firearm sound suppressors including a gas deflector. In one example, a suppressor comprises a housing, a projectile entrance, a projectile exit, one or more baffles, and a deflector chamber. The deflector extending outward from the housing and the deflector curving around a central axis of the suppressor.

A firearm muzzle accessory coupling device, system and method. The coupling device provides a front alignment taper and an intermediate outer diameter providing a plurality of successively alternating clearance recesses and pattern threaded lugs, wherein each lug provides a unique outward thread. The muzzle accessory provides a mounting interface socket having a plurality of successively alternating socket clearances and pattern threaded socket lugs along an inner circumference of a through bore. Each socket lug providing an inward thread dimensioned and adapted to receive the unique outward threaded muzzle accessory, thereby effectuating a plurality of compatible mating axial orientations between the coupling device and the firearm muzzle accessory.

A firearm includes a muzzle device. The muzzle device includes a muzzle adapter and a muzzle attachment. The muzzle attachment suppresses noise and/or redirects gases and recoil. The firearm utilizes recoil operation to cycle such that the barrel reciprocates inside a handguard of the firearm during cycling. The muzzle adapter is attached to the handguard and receives the barrel therein. The muzzle attachment is secured to the muzzle adapter such that the muzzle of the barrel remains longitudinally in the muzzle adapter during discharge and cycling of the firearm.

The disclosed magazine cap choke adapter allows a user to store an extra choke in place of the shotgun magazine cap. The magazine cap choke adapter is formed from a body that includes a first female threaded end, or proximal end, that threads onto the magazine adapter of the shotgun. Moving away from the proximal end, the magazine cap choke adapter tapers to a second female threaded end, or distal end, into which a choke is optionally threaded.

An inertial decoupler and suppressor assembly, associated components, and associated methods. The inertial decoupler is adjustable to change a preload of a spring biasing a piston toward an at-rest position and/or to change a permitted travel distance of the piston away from the at-rest position. The inertial decoupler can be removable from the suppressor and usable with other suppressors, or can be integrated with a dedicated suppressor.

A gas block system including at least some of a firearm barrel having a barrel conical shoulder, wherein a threaded gas block attachment area is formed proximate a gas block attachment area of the barrel, and wherein a barrel gas port is formed within at least a portion of the gas block attachment area of the barrel; a gas block having a gas block barrel borehole with a tapered proximal shoulder and a tapered distal shoulder, the gas block having a gas block gas port; and a gas block nut having a threaded gas block nut aperture portion and a tapered extension portion extending from the gas block nut, wherein the gas block nut is configured to secure the gas block to the barrel such that the tapered proximal shoulder is abutted against the barrel conical shoulder and the tapered distal shoulder is abutted against the tapered extension portion.