Factory Installation Available FREE installation is available on all YHM products. Some restrictions apply, call or write for details.
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Specter vs. Midlength Forearms
YHM would like to clear up some confusion between our Midlength and Specter forearms. The Midlength forearm is designed for a MIDLENGTH gas system (A system created between rifle and carbine length gas systems). The Specter forearm is designed to cover the gas block on a CARBINE length gas system.
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Diamond Series Forearms
YHM is proud to offer it’s newest free floating forearms. 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 our end caps, and utilize our anti-rotation screws for secure installation. The forearms and barrel nuts are made of 6061-T6 aluminum and hardcoated to military specifications. The jam nut and anti-rotation screws are steel and plated a matte black finish to match. Assemblies include: one jam nut, one barrel nut, two anti-rotation screws, and one forearm tube.
Carbine Length Diamond Forearm (YHM-9630-DX) $132.00 
Midlength Diamond Forearm (YHM-9633-DX) $140.00 
Specter Length Diamond Forearm (YHM-9637-DX) $140.00
Rifle Length Diamond Forearm (YHM-9635-DX) $176.00 
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Smooth Carbine Forearm
$140.00
YHM-5000
This free floating forearm features a smooth design for a more comfortable grip while incorporating a full length top rail. The forearm also features three 2.5" rails that extend beyond the front sight to allow the mounting of lights, lasers, and other accessories. This forearm uses our anti-rotation screws to ensure the forearm stays solid, even under severe use.

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Smooth Carbine Forearm With Full Bottom Rail
$140.00
YHM-5000-AA
This free floating forearm features smooth sides for a more comfortable grip while incorporating a full length bottom rail. The forearm also features three 2.5" rails that extend beyond the front sight to allow the mounting of lights, lasers, and other accessories. Our forearm rails can also be purchased separately to add rails to the sides and top if desired. This forearm uses our anti-rotation screws to ensure the forearm stays solid, even under severe use.

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Smooth Rifle Forearm
$160.00
YHM-5005
This free floating forearm features a smooth design for a more comfortable grip while incorporating a full length top rail. The forearm also features three 2.5" rails at the end of the forearm to allow the mounting of lights, lasers, and other accessories. This forearm accepts our end caps and uses our anti-rotation screws to ensure the forearm stays solid, even under severe use.
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Two Piece Customizable Handguards
*NEW* Each handguard set comes with one full length picatinny rail and one 3" elevated rail! These handguards are designed to replace your standard plastic handguards with our customizable design. Simply remove your existing handguard panels and insert these in their place. No gunsmithing required! These handguards allow you to mount our picatinny rails at 45 degree intervals for maximum customization. They are made from lightweight aluminum and hardcoat anodized. The bottom half removes easily to accomodate accessories such as grenade launchers, flare launchers and shotguns. *Note* Colt carbines require a special model, see below. Please see rail descriptions for specific fitment.
Carbine 2 Piece Customizable Handguard (YHM-9840) $146.00 
Colt Carbine 2 Piece Customizable Handguard (YHM-9840-C) $146.00 
Rifle 2 Piece Customizable Handguard (YHM-9842) $199.00 
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Forearm End Cap Use these screw-in end caps to dress up and provide protection for the end of your YHM forearm. Does not interfere with the free floating of your barrel and helps keep out debris. Drilled to allow for proper heat venting. Both models fit all handguards that will accept our endcaps.
15/16" Inside Diameter (YHM-9484-A) $19.50
1 1/16" Inside Diameter (YHM-9484-B) $19.50
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Elevated Rails for Customizable Forearm System These taller rails are 3/8” tall to offer more clearance. Made from aircraft quality aluminum and hardcoated to Mil. Specs. These rails come in 5 different sizes to accomodate your specific shooting needs. Made in standard picatinny configuration. Mounting screws included. These rails will not co-witness with a flat top upper receiver.
3" (YHM-9465-3) $18.00
4" (YHM-9465-4) $19.50 
6" (Full length for YHM-9840 Customizabel Carbine) (YHM-9465-6) $23.00
7" (Full Length for YHM-9431A ) (YHM-9465-7) $24.50
9-1/4" (Full length for Specter length Tube) (YHM-9465-8) $28.50
11" (Full length for YHM-9842) (YHM-9465-11) $34.00
12" (Full Length for YHM-9432A) (YHM-9465-12) $34.00
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Stud
$0.65
YHM-262
This stud allows you to mount a Harris type bipod directly to our customizable forearms. It will also allow you to mount our 1-1/4" Q.D. Sling Swivel (YHM-9470).
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Forearm Wrench
$30.00
YHM-9621
This handy tool allows for the easy removal and installation of YHM’s forearms. Incorporated into the design is a tool for tightening the barrel nut and a spanner wrench for tightening the jam nut. Made from quality hardened steel and black oxide plated.
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Picatinny Vise Jaws
$75.00
YHM-7350
These jaws simply drop into your vise and provide a solid clamping surface on any picatinny rail. They're perfect for guaranteed alignment between your upper receiver and our free-float handguards.
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Barrel Nut
$34.00
YHM-9483
These replacement parts will work with all of our free float forearms.
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Jam Nut
$15.50
YHM-9433
These replacement parts will fit on all of our free float forearms.
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Anti-Rotation Screws
$1.80
YHM-9434
These replacements are used in conjunction with all of our forearms that incorporate anti-rotation screws.
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Low-Profile Rail Covers These rail covers have a slim design that
effectively protects the rails from damage. Made from a tough plastic composite, these covers snap on easily and provide protection for any picatinny rail. Available in 2 different lengths and 2 different colors, Black or Coyote Brown.
Short Black (YHM-9702) $4.00
Long Black (YHM-9701) $12.00
Short CB (YHM-9702-CB) $4.00
Long CB (YHM-9701-CB) $12.00
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Rail Covers These rubber panels snap on tightly to add comfort and protection to your YHM railed forearm. Available in 3 different lengths and in 2 different colors, Black or Coyote Brown.
5 Slot Black (YHM-9676) $4.00
10 Slot Black (YHM-9675) $8.00
15 Slot Black (YHM-9700) $12.00
5 Slot CB (YHM-9676-CB) $4.00
10 Slot CB (YHM-9675-CB) $8.00
15 Slot CB (YHM-9700-CB) $12.00
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15 Slot Rail Covers
$9.75
YHM-9705
These hard plastic rail covers slide onto any picatinny rail and lock in place. They offer full rail coverage on our carbine length forearms. Available in black only.
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