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Questions & Answers
what is end-to-end length of 7" model? Expert Answer

It is a 7" overall length.

by Jonathan D., Gear Expert, July 1, 2019
Will this work on my smith and wesson m&p 15? Expert Answer

If you MP15 is a free float model you will just need to replace the barrel nut to install this handguard. If your rifle is a model with a drop in handguard you would need to convert to a free float system which involves removing the delta ring system, end plate, and replacing the gas block with a low profile model, as these are free float handguards.

by Jonathan D., Gear Expert, July 1, 2019
Customer Reviews
Helpful Positive Review Looks great however some issues by Gary H, Verified Owner, May 17, 2018
Bought for a new pistol build. The price was good and the length was what I needed. So, I made the jump. When i received the item it appeared solid. Install was a pain. No tools or instructions came with the handguard. The barrel nut will not torque ...
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2/2 found this helpful
Helpful Positive Review Senior Shooter by mike, November 18, 2016
Very happy with the fit, finish, and ease of installation. Ordering another today and will use these on all my future projects . Great product at a reasonable price. Very comparable to much higher priced options.
3/3 found this helpful
Helpful Positive Review A good sturdy forend but could use some improvements by mvintx, August 23, 2017
I was looking for a 7 inch handguard that wouldn't break the bank on my pistol project when I found the Guntec Ultra Thin Key Mod Handguard. I was a little hesitant to buy it because it comes with an aluminum barrel nut but then I was also trying to ...
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4/4 found this helpful
Helpful Positive Review Great Handguard by Eric B., Verified Owner, February 1, 2017
I was lucky enough to get this handguard on sale. It matches perfectly with my Magpul fde furniture. Thin and lightweight. Fast shipping also. Optics Planet has fantastic selection and prices onall their products.
2/3 found this helpful
Helpful Negative Review Well Made Product, but will need Tweeking During Install by MOSOSODBOB, Verified Owner, May 16, 2017
This handguard is ultra-light as advertised, because it is thin. I used it to assemble an AR pistol. It will not be subjected to the stress as it would have had I used it on a carbine. However, I see no reason that this handguard will not perform ...
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2/2 found this helpful
Most Recent Reviews Great rail for the price! by Me, July 11, 2019
The rail fit perfectly on my 7 inch barrel build. I would give it 5 stars because it is of good quality and is very lightweight. However it took over 3 weeks to receive it. Optics planet puts this on their website but didn’t have it on hand. It showe...
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Read All 16 Reviews
Color: Black Finish: Anodized Fabric/Material: T6 Aluminum Handguard Length: 4 inGun Rail: KeyMod Condition: New Additional Features: w/Monolithic Top Rail

Code: 2AH-HZ-UTKMFHM-GT-4JK

MPN: GT-4JK

UPC: 714569647391

Product No Longer Available

Product Info for Guntec USA Ultra Thin Key Mod Free Floating Handguard w/Monolithic Top Rail

T6 Aluminum Body UltraLightweight Proprietary Steel Barrel Nut Included Total Weight Including Barrel Nut is 6.2 oz KeyMod System Rail System Slides Over Barrel Nut , And Is Locked Up Against Receiver With 6 Screws Tight Fit Up Against Receiver, Which Allows For A Monolithic Top Rail 4" Pistol Length Heavy Duty Internal Diameter: 1.34"image

Package Contents:

  • Guntec USA Ultra Thin Key Mod Free Floating Handguard w/Monolithic Top Rail

AR Handguard/Forend Screws

1–25 / 25
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Guntec USA Ultra Thin Key Mod Free Floating Handguard w/Monolithic Top Rail Unavailable & Discontinued Models

List of Unorderable Models

GUNTEC USA 4in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail, Black GT-4JK , MPN: GT-4JK , UPC: 714569647391 , Code: 2AH-HZ-UTKMFHM-GT-4JK
GUNTEC USA 6.75in Ultra Lightweight Thin Key Mod Free Floating Handguard with Monolithic Top Rail, Black, GT-675JK , MPN: GT-675JK , UPC: 714569649593 , Code: 2AH-HZ-UTKMFHM-GT-675JK
GUNTEC USA 7in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail, Black GT-7JK , MPN: GT-7JK , UPC: 714569646202 , Code: 2AH-HZ-UTKMFHM-GT-7JK
GUNTEC USA 4in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail,Cerakote Flat Dark Earth GT-4JK-FDE , MPN: GT-4JK-FDE , Code: 2AH-HZ-UTKMFHM-GT-4JK-FDE
GUNTEC USA 9in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail, Black GT-9JK , MPN: GT-9JK , Code: 2AH-HZ-UTKMFHM-GT-9JK
GUNTEC USA 10in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail, Black GT-10JK , MPN: GT-10JK , UPC: 1444988 , Code: 2AH-HZ-UTKMFHM-GT-10JK
Guntec USA Ultra Lightweight Thin Keymod Free Floating Handguard w/Monolithic Top Rail, 7in, Red, GT-7JK-RED , MPN: GT-7JK-RED , Code: 2AH-HZ-UTKMFHM-GT-7JK-RED
GUNTEC USA 9in Ultra Lightweight Thin Key Mod Free Floating Handguard with Monolithic Top Rail, Red, GT-9JK-RED , MPN: GT-9JK-RED , Code: 2AH-HZ-UTKMFHM-GT-9JK-RED
GUNTEC USA 7in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail,Cerakote Flat Dark Earth GT-7JK-FDE , MPN: GT-7JK-FDE , Code: 2AH-HZ-UTKMFHM-GT-7JK-FDE
GUNTEC USA 12in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail, Black GT-12JK , MPN: GT-12JK , UPC: 714569646301 , Code: 2AH-HZ-UTKMFHM-GT-12JK
GUNTEC USA 15in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail, Black GT-15JK , MPN: GT-15JK , UPC: 714569646325 , Code: 2AH-HZ-UTKMFHM-GT-15JK
Guntec USA Ultra Lightweight Thin Keymod Free Floating Handguard w/Monolithic Top Rail, 7in, Cerakote OD Green, GT-7JK-G , MPN: GT-7JK-G , Code: 2AH-HZ-UTKMFHM-GT-7JK-G
GUNTEC USA 10in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail,Cerakote Flat Dark Earth GT-10JK-FDE , MPN: GT-10JK-FDE , Code: 2AH-HZ-UTKMFHM-GT-10JK-FDE
GUNTEC USA 12in Ultra Lightweight Thin Key Mod Free Floating Handguard with Monolithic Top Rail, Red, GT-12JK-RED , MPN: GT-12JK-RED , Code: 2AH-HZ-UTKMFHM-GT-12JK-RED
Guntec USA Ultra Lightweight Thin Keymod Free Floating Handguard w/Monolithic Top Rail, 10in, Cerakote OD Green, GT-10JK-G , MPN: GT-10JK-G , Code: 2AH-HZ-UTKMFHM-GT-10JK-G
GUNTEC USA 9in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail,Cerakote OD Green GT-9JK-G , MPN: GT-9JK-G , Code: 2AH-HZ-UTKMFHM-GT-9JK-G
GUNTEC USA 9in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail,Cerakote Flat Dark Earth GT-9JK-FDE , MPN: GT-9JK-FDE , Code: 2AH-HZ-UTKMFHM-GT-9JK-FDE
GUNTEC USA 12in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail,Cerakote OD Green GT-12JK-G , MPN: GT-12JK-G , Code: 2AH-HZ-UTKMFHM-GT-12JK-G
GUNTEC USA 12in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail,Cerakote Flat Dark Earth GT-12JK-FDE , MPN: GT-12JK-FDE , Code: 2AH-HZ-UTKMFHM-GT-12JK-FDE
Guntec USA Ultra Lightweight Thin Keymod Free Floating Handguard w/Monolithic Top Rail, 16.5in, Black, GT-16.5JK , MPN: GT-16.5JK , Code: 2AH-HZ-UTKMFHM-GT-16-5JK
GUNTEC USA 15in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail,Cerakote OD Green GT-15JK-G , MPN: GT-15JK-G , Code: 2AH-HZ-UTKMFHM-GT-15JK-G
Guntec USA Ultra Lightweight Thin Keymod Free Floating Handguard w/Monolithic Top Rail, 15in, Green, GT-15JK-GREEN , MPN: GT-15JK-GREEN , Code: 2AH-HZ-UTKMFHM-GT-15JK-GREEN
GUNTEC USA 15in Ultra Lightweight Thin Key Mod Free Floating Handguard w/Monolithic Top Rail,Cerakote Flat Dark Earth GT-15JK-FDE , MPN: GT-15JK-FDE , UPC: 1444995 , Code: 2AH-HZ-UTKMFHM-GT-15JK-FDE
Guntec USA Ultra Lightweight Thin Keymod Free Floating Handguard w/Monolithic Top Rail, 15in, Anodized Red, GT-15JK-RED , MPN: GT-15JK-RED , UPC: 714569646349 , Code: 2AH-HZ-UTKMFHM-GT-15JK-RED
Guntec USA Ultra Lightweight Thin Keymod Free Floating Handguard w/Monolithic Top Rail, 15in, Blue, GT-15JK-CBLUE , MPN: GT-15JK-CBLUE , Code: 2AH-HZ-UTKMFHM-GT-15JK-CBLUE
Guntec USA Ultra Lightweight Thin Keymod Free Floating Handguard w/Monolithic Top Rail, 15in, Burnt Bronze, GT-15JK-BRZ , MPN: GT-15JK-BRZ , Code: 2AH-HZ-UTKMFHM-GT-15JK-BRZ
Guntec USA Ultra Lightweight Thin Keymod Free Floating Handguard w/Monolithic Top Rail, 16.5in, Cerakote Flat Dark Earth, GT-16.5JK-FDE , MPN: GT-16.5JK-FDE , Code: 2AH-HZ-UTKMFHM-GT-16-5JK-FDE
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