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Arma's Review of Stern Defense SD MOD4 M-Lok Handguards
All MLOK everywhere.
Long 15” handguard that is also lightweight with lots of real estate for anything you want to install.
Came with the barrel nut, handguard, screws and shims.
Installation is easy if you know what you’re doing.
I would recommend a gunsmith if you are not comfortable doing it yourself.
Milspec torque ratings are 30-80 ft lbs AGAIN! Check with a professional.
I did around 42 with the use of shims.
Long 15” handguard that is also lightweight with lots of real estate for anything you want to install.
Came with the barrel nut, handguard, screws and shims.
Installation is easy if you know what you’re doing.
I would recommend a gunsmith if you are not comfortable doing it yourself.
Milspec torque ratings are 30-80 ft lbs AGAIN! Check with a professional.
I did around 42 with the use of shims.
Pros:
- easy installation
- has alignment tabs for upper receiver
- M lok all over on 7 sides
- low price compared ro similar options.
- handguard is not clocked with barrel nut
- lightweight for 15 inches
Cons:
- No recommended torque setting
- barrel nut needs to be clocked within a few degrees of center
Best Used for:
- M Lok
- Light weight applications
- Free float
- modularity
Would Recommend:
Yes