What is Yankee Hill Machine (YHM)?

Yankee Hill Machine (YHM) is a U.S. manufacturer known for precision-engineered AR-15 components, including muzzle brakes, suppressor mounts, handguards, and sights.

Are Yankee Hill parts compatible with all AR-15 platforms?

Yes, most YHM parts are designed to fit mil-spec AR-15 platforms, including barrels, upper receivers, and rail systems.

Do YHM muzzle brakes work with suppressors?

Yes. Many YHM muzzle brakes feature QD (quick-detach) mounts that are compatible with YHM suppressors and adapters.

Yankee Hill Machine (YHM) AR Parts

Yankee Hill AR-15 Handguards

Yankee Hill M-LOK Accessories

Yankee Hill Muzzle Devices

Yankee Hill Sights

Yankee Hill Suppressor Cover

Yankee Hill Gas Block

**Yankee Hill Suppressor AR-15 Gas Block (.750")** $30.63

**Yankee Hill Tac Charging Handle Latch** $32.19

**Yankee Hill Srx Thread Protector Blk** $40.00

**Yankee Hill Srx Muzzle Brake 5/8-24 Blk** $88.86

**Yankee Hill Srx Muzzle Brake 1/2-28 Blk** $88.86

**Yankee Hill Srx Blast Deflector Blk** $55.94

**Yankee Hill Sound Suppressor Cover 6.875" Bl** $129.87

**Yankee Hill Sound Suppressor Cover 4.5" Blk** $119.28

**Yankee Hill Sound Suppressor Cover 5.5" Blk** $125.30

**Yankee Hill Slant Brake/comp 1/2-28 556** $84.34

**Yankee Hill Slant Brake/comp 1/2-36 9mm** $84.34

**Yankee Hill Short Srx Flsh Hdr 5/8"-32 Blk** $88.86

**Yankee Hill Short Srx Flsh Hdr 5/8"-24 Blk** $88.86

**Yankee Hill Short Srx Brake 5/8"-24 Blk** $88.86

**Yankee Hill Short Srx Flsh Hdr 11/16"-24 Blk** $88.86

**Yankee Hill Short Srx Brake 5/8"-32 Blk** $80.75

**Yankee Hill Short Srx Brake 11/16"-24 Blk** $88.86

**Yankee Hill Rifle Length Gas Tube Blk** $35.31

**Yankee Hill Q.D. Sling Swivel** $28.13

**Yankee Hill Picatinny Rail Riser / Scope Riser** $50.31

**Yankee Hill Qd Muzzle Brake 5/8x24** $104.52

**Yankee Hill Quick Deploy Sight System (Q.D.S. Sight Set - 5010 & 5030)** $241.50

**Yankee Hill Qd Mount Thread Protector** $28.13

**Yankee Hill Pistol Length Gas Tube Blk** $35.31

Yankee Hill Machine Parts – Precision AR Accessories Built to Perform

Looking for battle-proven upgrades from Yankee Hill Machine (YHM)? Whether you're upgrading an AR-15 or building a custom rifle from the ground up, Mounts Plus is your trusted source for a full lineup of Yankee Hill parts and accessories.

From muzzle brakes to handguards, gas blocks, and suppressor mounts, YHM components are engineered for rugged performance, mil-spec compatibility, and precision machining.

Why Choose Yankee Hill Machine?

Since 1951, Yankee Hill Machine Co. (YHM) has built a reputation for innovative firearm parts trusted by military, law enforcement, and serious shooters. Every part is proudly made in the USA using premium materials and advanced machining techniques.

Key advantages of YHM parts include:

Durable, lightweight aluminum and steel construction
Suppressor-ready muzzle devices and QD systems
Easy-to-install rail systems and risers
Precision-fit gas blocks and front sights

Whether you're building a tactical carbine, a suppressed SBR, or a long-range rifle, YHM has the parts to get the job done right.

Top-Selling Yankee Hill Products


Product Type	Example	Features	Price Range
Muzzle Devices	SRX QD Brake, Slant Comp	Suppressor-ready, recoil reduction	$55–$104
Handguards	M-LOK Lightweight Rails	Free-float, multiple lengths	$99–$165
Gas Blocks	Clamp-On or Low-Profile	Compatible with standard barrels	$35–$50
Sights	Flip-Up QD Sights	Backup or primary aiming	$80–$125
Charging Handles	Tac Latch Series	Oversized latches, enhanced grip	$32–$45

All parts are tested for quality, fit, and function before shipping.

Customize Your AR with YHM

Whether you're replacing your front sight or adding a suppressor-ready muzzle brake, Yankee Hill makes it easy to dial in your rifle’s performance.

Popular upgrades include:

QD muzzle brakes for fast suppressor attachment
Slant comps for recoil management and muzzle control
M-LOK handguards for modular setups with reduced weight
Gas blocks for optimal gas system tuning
Scope risers and optics mounts for improved sight alignment

All parts are drop-in compatible with most AR-15 platforms and available in black anodized finishes for durability and a clean look.

What Our Customers Say

“Rock-solid quality.”
“I’ve been using YHM muzzle brakes and handguards for years. Never had an issue. Great fit, finish, and performance.” – Jake W.

“Perfect fit on my AR.”
“Installed the YHM QD brake and suppressor mounts in minutes. Works flawlessly with my can. Highly recommend.” – Mark L.

Frequently Asked Questions

Q: What does YHM stand for?
A: YHM stands for Yankee Hill Machine, a Massachusetts-based manufacturer of high-quality firearm parts and suppressor systems.

Q: Are YHM parts compatible with all AR-15s?
A: Yes. Most Yankee Hill parts are designed to work with mil-spec AR-15 upper receivers, barrels, and rail systems.

Q: Can I use YHM muzzle brakes with a suppressor?
A: Absolutely. Many YHM muzzle brakes are QD (quick-detach) suppressor-compatible and pair perfectly with YHM suppressors and adapters.

Shop Yankee Hill at Mounts Plus

At Mounts Plus, we carry a complete selection of Yankee Hill Machine accessories for AR-15 builds, upgrades, and tactical configurations. Whether you're looking for suppressor mounts, QD brakes, handguards, or backup sights, we've got YHM parts in stock and ready to ship.

Trusted brands. Veteran-supported. Fast U.S. shipping.

Browse our YHM collection now and take your rifle to the next level.