Yankee Hill Machine Co

These steel thread protectors will prevent damage to the threads of your pistol barrel when a muzzle device is not installed.Features :Protects muzzle threads

YHM has long been a manufacturer of quality AR-15 Upper Receivers and is very proud to offer their A3 Upper Receivers. These uppers were designed, and are MACHINED 100% IN HOUSE by YHM and are forged...

The Yankee Hill Arca Rail offers a mounting surface to fit a wide array of tripod adapters and accessories. The Arca Rail will mount onto any M-Lok style handguard.Features :Compatible with M-Lok...

Barrel Shim Set to be used to correctly orient a timed muzzle device. This set is used with our 5.56mm Q.D. Muzzle Brakes. This shim kit has an inner diameter of 1/2"Features :,Thicknesses included...

Barrel Shim Set to be used to correctly orient a timed muzzle device. This set is used with our 7.62mm Q.D. Muzzle Brakes. This shim kit has an inner diameter of 5/8"Features :,Thicknesses included...

Simply Replace your spring retainer, spring and piston for this fixed thread mount. These adapters make it possible to use any caliber Sidewinder on Fixed barrel pistol caliber rifles and pistols...

These unique forearms feature diamond shaped heat vents, an extended top rail for gap-free installation, T marked rails to mark accessory locations, they accept their end caps, and utilize their...

These unique forearms feature diamond shaped heat vents, an extended top rail for gap-free installation, T marked rails to mark accessory locations, they accept their end caps, and utilize their...

YHM caliber marked dust covers for those who may end up changing the caliber of their top end/upper receiver. Assemblies Include the following: Caliber Marked Dust Cover, Rod and Retaining Clip,...

YHM caliber marked dust covers for those who may end up changing the caliber of their top end/upper receiver. Assemblies Include the following: Caliber Marked Dust Cover, Rod and Retaining Clip,...

These takedown pins have over sized heads to make separating the upper and lower receiver faster and easier. Perfect for the shooting enthusiast with a variety of top ends and a single lower receiver...

AR-15 Front Flip Sight Tower- These front sights feature either a round hooded front sight guard that allows for fast and accurate sighting or a standard style front sight guard. They sight base...