Uploaded May 2026 | Updated September 2026, 1 week ago
Ops-Core Lockdown Liner retrofit install. We walk through how to add all the new features to your previous generation Ops-Core FAST Helmet.
Loadouts and discounts here ➡️link.thinlinedefenseco.com/LockDownLinerInstall
00:00 Ops-Core Liner Retrofit
02:20 Sponsor - Dynamic Principles - Discount Code TLDco
03:15 Do you want powerpath rails??
03:44 Step 1: Disassembly
04:51 Step 2: Attach Attachment Coins
05:51 Step 3: Install Pads
08:11 Step 4: Install Hardware
10:15 Step 5: Adjustment & Fit
11:54 Comms Headband Setup
12:30 All the new new!
(DISCLAIMER: Filming adhered to safety protocols at a licensed public range, supervised by certified professionals, featuring only legal items. Compliance with all Federal, State, and Local laws was maintained throughout. This video does not reflect the opinions of any federal entity in any way and all opinions are solely those of the TLD team. Magazines in videos have all been modified to the much less scary 29-round magazines.
Remember, We're idiots.
This post may include paid advertisements or affiliate links. If you use one of the gear links, Thin Line Defense Co earns a small commission without any additional cost to you. This supports the growth of our channel and enables us to review more quality gear for you. Thank you for your incredible support!)
Ops-Core Lockdown Liner retrofit install. We walk through how to add all the new features to your previous generation Ops-Core FAST Helmet.
Loadouts and discounts here ➡️link.thinlinedefenseco.com/LockDownLinerInstall
00:00 Ops-Core Liner Retrofit
02:20 Sponsor - Dynamic Principles - Discount Code TLDco
03:15 Do you want powerpath rails??
03:44 Step 1: Disassembly
04:51 Step 2: Attach Attachment Coins
05:51 Step 3: Install Pads
08:11 Step 4: Install Hardware
10:15 Step 5: Adjustment & Fit
11:54 Comms Headband Setup
12:30 All the new new!
(DISCLAIMER: Filming adhered to safety protocols at a licensed public range, supervised by certified professionals, featuring only legal items. Compliance with all Federal, State, and Local laws was maintained throughout. This video does not reflect the opinions of any federal entity in any way and all opinions are solely those of the TLD team. Magazines in videos have all been modified to the much less scary 29-round magazines.
Remember, We're idiots.
This post may include paid advertisements or affiliate links. If you use one of the gear links, Thin Line Defense Co earns a small commission without any additional cost to you. This supports the growth of our channel and enables us to review more quality gear for you. Thank you for your incredible support!)
