Davidson Defense Hush Hammer 4.5-inch .22 LR AR-15 Freefloat M-Lok Handguard Pistol Full Build Kit, SB Tactical Folding Brace

Davidson Defense Hush Hammer AR-15 Pistol Full Build Kit - 4.5-inch, .22 LR, Freefloat M-Lok Handguard, North Reach MFG Micro-Pew 22 Suppressor, SB Tactical Folding Triangle Brace

The Davidson Defense Hush Hammer is a .22 LR AR-15 pistol full build kit built around a 6061-T6 billet aluminum upper receiver with a Type III hardcoat anodized black finish. The kit includes a 4.5-inch pencil profile steel barrel in black with a 1/2x28 thread pitch, a 7-inch freefloat M-Lok handguard in black anodized 6061-T6 aluminum, a dedicated .22 LR stainless steel bolt carrier group, a Mil-Spec charging handle, a North Reach MFG Micro-Pew 22 suppressor in black Cerakote 6061-T6 aluminum with a 300 series stainless steel adapter at 1/2x28, an SB Tactical left-folding triangle pistol brace with a 1913 Picatinny rail end cap adapter featuring an integrated QD socket, and a complete Mil-Spec AR-15 lower parts kit with Mil-Spec A2 grip in black. The kit runs a bufferless operating system compatible with Mil-Spec AR lowers.

Key Features

• 6061-T6 billet aluminum upper receiver, Type III hardcoat anodized black
• 4.5-inch pencil profile steel barrel, black finish, 1/2x28 thread pitch
• .22 LR
• Bufferless operating system
• 7-inch freefloat M-Lok handguard, 6061-T6 aluminum, anodized black
• Dedicated .22 LR stainless steel bolt carrier group
• Mil-Spec charging handle
• North Reach MFG Micro-Pew 22 suppressor, black Cerakote, 6061-T6 aluminum with 300 series stainless steel adapter
• 6-inch suppressor length, 1-inch diameter, 3.6 oz
• 1/2x28 direct thread, removable timed baffles, user serviceable
• Not full-auto rated
• SB Tactical left-folding triangle pistol brace, black
• 1913 Picatinny rail end cap adapter, aluminum, integrated QD socket
• Compatible with Mil-Spec AR lowers and bufferless AR uppers
• Complete Mil-Spec AR-15 lower parts kit with fire control group
• Mil-Spec A2 grip, black
• Lower receiver not included

Perfect For

• AR-15 pistol builders sourcing a complete .22 LR full build kit with a suppressor and folding brace included
• Shooters pairing this kit with an existing AR-15 lower receiver
• Builders looking for a compact suppressed .22 LR pistol build with a user serviceable suppressor and folding brace

Micro-Pew 22 Suppressor

The North Reach MFG Micro-Pew 22 is 6061-T6 aluminum with a 300 series stainless steel adapter and a black Cerakote finish. It measures 6 inches in length and 1 inch in diameter at 3.6 oz, threads directly at 1/2x28, and features removable timed baffles in a user serviceable threaded design. The Micro-Pew 22 is not full-auto rated.

Barrel and Upper Receiver

The 4.5-inch pencil profile barrel is steel in black with a 1/2x28 thread pitch and is chambered in .22 LR. The 6061-T6 billet upper receiver features a Type III hardcoat anodized black finish and runs a bufferless operating system. The 7-inch freefloat M-Lok handguard is 6061-T6 aluminum in anodized black, surrounding the barrel without contact and providing M-Lok mounting positions for compatible accessories.

SB Tactical Folding Brace

The SB Tactical left-folding triangle pistol brace mounts via a 1913 Picatinny rail end cap adapter in aluminum with an integrated QD socket. The adapter is compatible with Mil-Spec AR lowers and bufferless AR uppers, covering the rear end interface for this bufferless build.

Lower Parts Kit

The complete Mil-Spec AR-15 lower parts kit covers the internal lower receiver small parts group and fire control group. A Mil-Spec A2 grip in black is included as part of the lower parts kit.

Follow safe handling and manufacturer instructions. Ensure compliance with all applicable federal, state, and local laws. Verify suppressor compliance in your jurisdiction before purchase. Lower receiver not included. May Dropship from Davidson Defense.