Limited Offer AR-15 5.56 NATO SHORTY BOY W/FIN ARM BRACE 10.5-INCH PISTOL FULL BUILD KIT

Product Description

TheShorty Boy w/Fin Arm Brace 10.5-inch AR-15 5.56 NATO Pistol Full Build Kit from MCSis engineered for gunsmiths seeking precision and durability in a compact firearm. This kit features a 10.5-inch barrel made of 416R stainless steel with a 1:7 twist rate, optimized for .223 and 5.56 NATO cartridges. The polished stainless finish and M4 contour enhance both performance and aesthetics.

Included is a 10" M-Lok handguard that offers a lightweight design with integrated handstop and anti-rotation features. The kit also comprises a stripped upper receiver from 7075 T6 aluminum, alongside a complete bolt carrier group constructed from 9310 alloy steel. Accompanying the build is a polymer stabilizing brace from Gauntlet Arms, providing additional support. Weighing just 73.8 oz, the Shorty Boy is an ideal choice for shooters valuing both compactness and dependable performance.

Product Name:Shorty Boy w/Gauntlet Arms Brace 10.5-inch AR-15 5.56 NATO Pistol Full Build Kit

Caliber:5.56x45mm NATO

Barrel Name:AR-15 10.5" "Needle" 5.56 NATO, SS, Carbine Gas, M4 Contour, 1-7 T Barrel

Barrel Material:416R Stainless Steel

Barrel Length:10.5-inch

Barrel Twist Rate:1:7

Barrel Finish:Polished Stainless Steel

Barrel Thread Pitch:1/2×28

Barrel Gas System:Carbine

Barrel Profile:M4

Muzzle Device:AR-15 1/2×28 TPI GI Birdcage Flash Hider 5.56 .223 A2

Muzzle Device Thread Pitch:1/2×28

Muzzle Device Finish:Manganese Phosphate

Handguard Name:10" MLOK AR-15 Handguard W/ Picatinny Rail, Integrated Handstop, Anti-Rotation Tabs, Trapezoid Cuts

Handguard Style:M-Lok

Handguard Color:Black

Gas Block Name:Recoil Technologies Micro Low-Profile Gas Block for .750 O.D Barrel Steel

Gas Block Size:0.75

Gas Block Finish:Phosphate

Receiver Name:Stripped Upper Receiver with M4 Feed ramps – 7075 T6 Aluminum, Anodized

Upper Receiver Material:7075 T6 Aluminum

Upper Receiver Finish:Anodized

Bolt Carrier Name:AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group

Bolt Carrier Material:9310 Alloy Steel

Bolt Carrier Finish:Nitride

Charging Handle:AR-15 M4 Charging Handle Mil-Spec Quality

Charging Handle Finish:Anodized

Pistol Brace Information:Polymer Stabilizing Brace – Black from Gauntlet Arms

Brace Color:Black