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Questions & Answers
would this fit on an Adams Arms micro piston system? Expert Answer

Please email us at techsales@opticsplanet,com so we can further answer your question.

by Ben, Gear Expert, October 20, 2021
Can optics planet get the cap for the muzzle end of forearm. If so please make quick link in reply Expert Answer

Please email us at techsales@opticsplanet,com so we can further answer your question.

by Ben, Gear Expert, October 20, 2021
Customer Reviews
Helpful Positive Review Perfect addition by Clark, Verified Owner, February 26, 2020
This quad rail is an amazing addition to any AR15. Quality build product with a simple straight forward installation. The only complaint I have is there's no tool included to help tighten the jam nut. The barrel nut is installed with a normal AR15 D-...
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1/1 found this helpful
Most Recent Reviews It's a good addition. by Wham, June 23, 2020
Does what it was made to do. Mount a vertical grip you have outstanding control of the weapon. No pressure on barrel, extra area for other useful items. I have had good luck using YHM products. At least 200 builds rifle and carbine.
Most Recent Reviews Yankee Hill Machine Diamond Forearm by Ambush at the Crossroads, October 29, 2018
This hand guard was ordered to be used with the Dolos. It is a Yankee Hill quality item. You will not be able to use the two Yankee Hill barrel nut screws (and are not required to), with the Dolos unless you cut off the end of the screws. Or, leave t...
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Most Recent Reviews Solid product by Steven Bicigo, Verified Owner, May 20, 2018
Works well with my billet side charging upper. Recommend having tool to align top rail because of the lack of anti rotation tabs. I needed a rail without the anti rotation tabs to work with my billet side charging upper on my quarter circle ten .45...
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Most Recent Reviews Good Rail as expected by Jim, March 27, 2015
YHM is solid. It locks up and indexes as it should. Solid platform for sights and optics. Rail alighnment works well for iron sigh alignment. Bought it to work with a DOLOS. Could not get it to align with top rail of upper when locked in. Would...
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0/1 found this helpful
Most Recent Reviews Specter length Diamond rail by Cawakening, March 14, 2018
Great rail even though it isn't mill spec. A little dated design but a great rail. The barrel nut seems to thread on in Anderson upper better than it did in the aero Percision for some reason. With it not being milspec you need to take an optic moun...
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0/1 found this helpful
Read All 12 Reviews

Code: YHM-HZ-YHM-9637-DX

MPN: YHM-9637-DX

UPC: 816701012606

Product No Longer Available

Product Info for Yankee Hill Machine Specter Length Diamond Forearm AR-15 YHM-9637-DX

Features diamond shaped heat vents, an extended top rail for gap-free installation, “T†marked rails to mark accessory locations. Accepts our end caps, and utilize our anti-rotation screws for secure installation. Forearms and barrel nuts are made of 6061-T6 aluminum and hardcoated to military specifications. 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. Overall length 9.675 inches. Weight 15.9 ounces. Inside diameter 1.75 inches.image

Specifications for Yankee Hill Machine Specter Length Diamond Forearm AR-15 YHM-9637-DX:

Mfg Item Num:  YHM-9637-DX
Type:  ACCESSORIES - GUN ACCESSORIES - HANDGUARDS
AR-15 Parts:  AR-15 Parts
made in specialized factories:  made in specialized factories
Tactica:  Tactical
Master Model Header:  Specter Length Diamond Forearm AR-15

AR Handguard/Forend Screws

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Yankee Hill Machine Specter Length Diamond Forearm AR-15 , MPN: YHM-9637-DX , UPC: 816701012606 , Code: YHM-HZ-YHM-9637-DX
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