AR-15 Upper Parts

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Yankee Hill Machine Co. Black Diamond Series Forearm- Mid-Length Length-9.675"-YHM-9633-DX


Quick Overview

SKU: 1686
UPC: 816701012590
MFR#: YHM-9633-DX
  • Overall Length: 9.3"
  • Weight: 15.2 oz.
  • Inner Diameter: 1.750"
  • Coating: Hardcoat Anodized matte black to Mil-Spec or better The Black Diamond® Series
  • Handguard comes with all necessary parts for installation, including:
  • Barrel Nut (YHM-9483)
  • Jamb Nut
  • Anti-Rotation Screws
  • Installation Instructions

Add To:

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.

Palmetto State Armory, your source for AR15 Accessories!

SKU: 1686
SKU 1686
Brand YHM
Daily Deal No
Daily Deal Expires No
Youtube Video No
Free Shipping? No
Free Shipping Qty Label No
Free Shipping Qty No
SKU: 1686

Questions and Answers

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Browse 3 questions Browse 3 questions and 6 answers
Will this fit on a barrel with iron sights?
Joe the bad ape on May 26, 2018
BEST ANSWER: It depends on your barrel length. You're also going to have to take your front sight post off or the barrel off to install it IF you have a fixed front sight post.
is this free floating?
johnny g on Nov 14, 2018
BEST ANSWER: Yes it is. But the real question is, do YOU know the difference in the two?? A "standard" handguard is a two piece system, captured at the top by a triangle shaped retainer and at the bottom by the spring loaded collet. On a "free floating" handguard, the standard barrel nut is replaced by one that is usually threaded so that the one piece handguard can be threaded onto the rifle instead of being held in place by tension.
i have a palmetto state ar15 with fixed front sight, I`m converting it to a free float and installing a adjustable gas block . it is a mid length gas system ,will this hand guard work with it?
archie e on Jul 27, 2018
BEST ANSWER: Measure what you have. If you have a "carbine length/ mid-length" this will work. There are three types of gas tubes, pistol length( less than 16 inches), carbine length(16 inches), and rifle length(20 inches).


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Nice , but you will want to buy an end cap for this rail, and PSA does not sell them.
October 27, 2018
9 months ago

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