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Have you ever wondered, "What's the best handguard for my AR-15?" The NEW SXT Series Handguards are a rugged, free-floating AR-15 handguard with an M-LOK® attachment system. The simple clamping system uses two cross bolts which fit into the barrel nut for a rapid and easy installation. (The old SXS Series clamping system used a bias block on the bottom to secure the forearm to the barrel nut—which required knurling).
Standard SXT Series Handguards are available in lengths of 4”, 7”, 9”, 10”, 11”, 12” and 15” (See Specifications tab for actual lengths).
Includes: Hex wrench, barrel nut, and barrel nut wrench
Features:
- Easy to install mount clamping system
- Free float design
Specifications:
- Material: 6061-T6 aluminum
- Finish: MIL-A-8625 type III class 2 anodizing
- For additional specifications click on the Specifications tab
- Made in New Hampshire USA
Installation Instructions:
| Size | Actual Length | Attachment | Weight with Barrel Nut (oz) |
ID (in) | OD (in) |
| 4" | 4.125" | M-LOK | 7.89 | 1.25 | 1.60 |
| 7" | 7.25" | M-LOK | 9.84 | 1.25 | 1.60 |
| 9" | 9.25" | M-LOK | 11.05 | 1.25 | 1.60 |
| 10" | 10" | M-LOK | 11.50 | 1.25 | 1.60 |
| 11" | 11" | M-LOK | 12.29 | 1.25 | 1.60 |
| 12" | 12.625" | M-LOK | 13.28 | 1.25 | 1.60 |
| 15" | 15" | M-LOK | 15.25 | 1.25 | 1.60 |
Customer Ratings & Reviews
Ratings Snapshot
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Would recommend this product.
100%
out of 5
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Would recommend this product.
100%
2 Total Reviews
Outstanding SIG M400 Option!
Jim D
Location: NH
Date: January 2, 2022
I bought the SXT to put on my M400 TREAD. The TREAD is notorious for being difficult to upgrade, but the SXT handguard was a perfect fit! The installation was simple and the guard fits seamlessly. The SXT eliminates the basic shortcoming of the stock Sig handguard, which requires a small Picatinny rail to mount backup iron sights. That places the front and rear sights on different planes…but with the SXT the sights now sit completely in line. The Samson works with the existing barrel nut (although the package comes with a nut and the wrench to install it) and installation took less than 5 minutes. The side screws and the bottom set screw make a very secure fit.
Samson customer service was very responsive when I emailed a question (less than 12 hours to respond) and the product is outstanding in fit and finish. I also appreciate that the Samson logo is discrete - unlike other brands that turn the handguard into a bill board advertisement.
I will be buying more Samson products in the future — but this is the best M400 upgrade I have found!
Recommended
SXT 15”
GeorgeD
Location: MD
Date: January 25, 2021
Improved barrel nut attachment point making the handguard free floating. Attachment screws are on the side making access easier for assembling/disassembling of the rail. I love my Samson Mfg rails and have them on every rifle.
Recommended
2 Total Reviews