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Yankee Hill Machine YHM Flip Front Sight Tower w/ Bayonet Lug

UPC: 816701013382

$159.75

10 in stock

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Description

The Yankee Hill Machine Flip Front Sight Tower is one of those parts that just works and keeps working. It combines a .750 gas block with a folding front sight, so you get a clean backup iron sight setup on a rifle running a red dot or LPVO. Push the button and the sight tucks down out of your optic's line of sight. Flip it back up and it snaps into place with no wiggle, ready to co-witness or run on its own.

What Sets the YHM Flip Front Sight Tower Apart

The whole thing is built from steel, which is a big reason it holds up under hard use and stays put once it's dialed in. It accepts all standard AR sight posts, and the adjustment hardware comes in the box, so swapping to a taller or shorter post is no problem. The bayonet lug up front gives you that traditional carbine profile along with a spot to hang a sling stud on the offset clamp. YHM lists the weight right around 5.25 ounces, so you're getting the fold-down convenience without any real penalty over a fixed A-frame tower.

Fitment and Install Notes for the Flip Sight Tower

This unit is made for barrels with a .750 inch gas seat, and it clamps on with four cap screws that take a 7/64 inch Allen wrench. The two-piece design is the real trick here. Because it wraps around the barrel instead of sliding over the muzzle, you can mount it on rifles with pinned and welded muzzle devices without pulling the flash hider. When you set it up, remember the clamp with the sling mount is offset toward the muzzle so it clears your handguard.

Owners consistently praise how solid this sight feels once installed, with plenty running it alongside an Aimpoint or similar red dot for a true co-witness. If you want a dependable folding front sight and gas block in one steel package, this YHM tower is a proven pick.

Key Specifications

  • Manufacturer: Yankee Hill Machine
  • Manufacturer Part Number: YHM-9394
  • Model: Flip Front Sight Tower
  • UPC: 816701013382
  • Type: Front Flip Sight / Gas Block
  • Fits Barrel Gas Seat: .750 inch diameter
  • Material: Steel
  • Finish / Color: Matte Black
  • Mounting: Two-piece clamp-on, four cap screws (7/64 in Allen)
  • Sight Compatibility: All standard AR front sight posts
  • Bayonet Lug: Yes
  • Sling Mount: Yes, on offset clamp
  • Gas Port Size: 0.125 inch
  • Weight: 5.248 oz

What’s Included

  • Two-piece flip front sight tower / gas block with bayonet lug
  • Standard AR front sight post
  • Mounting cap screws and adjustment hardware

Frequently Asked Questions

What barrels does the YHM Flip Front Sight Tower fit?

It is designed for AR-15 barrels with a standard .750 inch gas seat. The two-piece clamp-on design means you can install it even on rifles with a pinned and welded muzzle device, since it wraps around the barrel rather than sliding over the muzzle. Just make sure your gas port location lines up with a front sight gas block setup.

Does the flip front sight tower work as a gas block too?

Yes. This unit doubles as a functioning .750 gas block with a 0.125 inch gas port, so it feeds your gas system while giving you a fold-down front sight. That two-in-one design is a big part of why folks like it for keeping the front end simple and clean.

Can I co-witness this with a red dot?

Absolutely, that is one of the most common uses. It accepts all standard AR sight posts, so you can adjust height to co-witness with an Aimpoint or similar optic. When you want the sight out of your line of sight, push the button and it folds flat, then flips back up and locks solid with no play when you deploy it.

What tools do I need to install the YHM sight tower?

The clamp secures with four cap screws using a 7/64 inch Allen wrench, and the post adjustment hardware is included. YHM recommends leaving a small gap at the barrel shoulder if you are running an aftermarket handguard, and note the clamp with the sling mount installs toward the muzzle so it clears your forend. Many users add a bit of thread locker for peace of mind.

Additional information

UPC

816701013382

Manufacturer

Manufacturer Part Number

YHM-9394

Color

Black

Model

Product Type

Sight

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