Great way to add rails to your benelli m4. simply slide the barrel out like you would for any cleaning, let the oem grips fall out and replace with this one piece. it slides right back in. fastest rail/handguard install for me yet. rails are numbered comes with cheap rail covers to cover all 3 sides. easy to cut them to make room for addons. placed my stubby foregrip and flashlight on the rails, on like glue, no wiggle. when ur cleaning just be mindful of your extremely expensive new handguard since it now has add ons of value. i almost dropped my flashlight on concrete twice...
Pros: Perfect fit one piece replacement for OEM grips with rails
Cons: Price is still high for what it is.
This review was written in the old system and had content requirements that are different than reviews written today.