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Questions & Answers
What is the exact length on this rail? Expert Answer

The overall length of each rail is as listed in the product selection.

by Ethan C., Gear Expert, June 8, 2018
CMMG handguard MK3 can be used interchangeable AR-15 MK4 ?? Barrel nut is necessary to be changed ? Expert Answer

Yes, you would need to change the barrel nut.

by Tom B, Gear Expert, October 27, 2021
Customer Reviews
Helpful Negative Review
Heavy Duty by Nerdboy, Verified Owner, May 7, 2018
Bought yo replace dedicated .22upper from CMMG. Was left with limited option. CMMG installed barrel nut was not coming out. Hand guard is solid with a nice finish. Color was darker than had anticipated. A bit on the heavier side.
1/8 found this helpful
Most Recent Reviews
AR-10 Forearm/Handguard by Piranha82, Verified Owner, February 23, 2021
Used Optics Planet filters for an AR-9 Forearm/Handguard and got this. I'm sure I'll do something with this juat not what I was hoping to get. I admit it makes me want to build an AR-10 it's really great looking and that's why I can only give it 4 st...
Read More...
0/1 found this helpful
Read All 2 Reviews

Product Discontinued by Manufacturer

CMMG, Inc MK3 Handguard Kit has been discontinued by CMMG and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the AR15 Accessories, Gun Parts, AR 15 Tactical Rails, AR 15 Parts, Rifle Parts, AR Handguards & Forends, AR15 Upper Parts yourself to try and find the perfect replacement for you!

Product Info for CMMG, Inc MK3 Handguard Kit

Customize your weapon and add a solid gripping point with this CMMG, Inc Hand Guard Kit. CMMG constructed these AR Handguards & Forends from anodized 6061 aluminum for a lightweight yet rugged build that is resistant to corrosive elements and wear. The CMMG, Inc Rifle Hand Guard Kit has M-LOK slots at the 3, 6 and 9 o'clock positions for the attachment of lights, lasers and other accessories. Each handguard comes with the necessary T25 Torx screws. Add some tactical utility to your firearm by installing a CMMG, Inc Free Float Hand Guard Kit.image

Features of CMMG, Inc MK3 Handguard Kit:

  • M-LOK at the 3, 6, and 9 o'clock locations
  • T25 Torx Screws

Package Contents:

  • CMMG, Inc MK3 Handguard Kit

Firearm Case

1–40 / 40
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Gun Parts and Accessories

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AR Handguard/Forend Screws

1–25 / 25
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Related Products to CMMG, Inc MK3 Handguard Kit

CMMG, Inc MK3 Handguard Kit Unavailable & Discontinued Models

List of Unorderable Models

  • CMMG, Inc Handguard Kit, MK3, RKM11, 38DA2C4 , MPN: 38DA2C4 , UPC: 815835015545 , Code: 2CM-HZ-HDGKT-38DA2C4
  • CMMG, Inc Handguard Kit, MK3, RML6, 38DA241 , MPN: 38DA241 , UPC: 816422026913 , Code: 2CM-HZ-HDGKT-38DA241
  • CMMG, Inc Handguard Kit, MK3, RML9, 38DA240 , MPN: 38DA240 , UPC: 815835018225 , Code: 2CM-HZ-HDGKT-38DA240
  • CMMG, Inc Handguard Kit, MK3, RML11, 38DA27A , MPN: 38DA27A , UPC: 815835018232 , Code: 2CM-HZ-HDGKT-38DA27A
  • CMMG, Inc Handguard Kit, MK3, RKM15, 38DA22D , MPN: 38DA22D , UPC: 815835015538 , Code: 2CM-HZ-HDGKT-38DA22D
  • CMMG, Inc Handguard Kit, MK3, RML15, 38DA2BF , MPN: 38DA2BF , UPC: 815835018249 , Code: 2CM-HZ-HDGKT-38DA2BF
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