Is SDI Really Worth It?

Books Mentioned:

1: America's Premier Gunmakers by KD Kirkland
https://www.amazon.com/Americas-Premi...

2: Gunsmith Kinks I and II by Bob Brownell
https://www.amazon.com/Bob-Brownells-...

https://www.amazon.com/Gunsmith-Kinks...

S.D.I. Website
https://www.sdi.edu/

Links to the gear I use:
Sights and Optics:
Vortex Optics Diamondback Tactical First Focal Plane Riflescope 6-24x50: https://amzn.to/46NtasR
Vortex Optics Strikefire II Red Dot: https://amzn.to/3OfA4Qg
Magpul MBUS Flip-Up Backup Sights: https://amzn.to/3NNBEaG

Ear Pro:
Howard Leight by Honeywell Impact Sport Electronic Ear Muffs: https://amzn.to/44NgpMT

Weapon Lights:
Streamlight 69424 TLR-7A 500-Lumen Weapon Light: https://amzn.to/3rp0gPn

Bags and Cases:
Savior Equipment Rifle Bag: https://amzn.to/3rtTFTU
Highland Tactical Crusher Bag: https://amzn.to/3Dd3DMf

Gear:
Krydex Battle Belt: https://amzn.to/3PXbMM4
Esstac Double Pistol Gap KYWI Pouch: https://amzn.to/3DlvwS1
Esstac Single 5.56 M4 Short KYWI Pouch: https://amzn.to/3XR2rHQ
Blue Force Gear MOLLE Mag Pouches, Triple Magazine Pouch: https://amzn.to/3JYowhZ Magpul MS1 Two-Point Quick-Adjust Sling: https://amzn.to/43muUq9
Magpul Bipod: https://amzn.to/3Q5HqHg
Blue Force Gear Vickers Sling: https://amzn.to/3JXmqPj
Tacticon Combat Tourniquet Hard Holder: https://amzn.to/3PYR9iL
Tacticon Chest Rig Elite: https://amzn.to/46RHwbK

Blades:
ESEE BRK Designed Avispa Framelock OD/Black D2 BRK1302ODB: https://amzn.to/3pUgoIf
Leatherman Wingman Multitool: https://amzn.to/3pTci36

If there is something in the video that you want to know more about, let me know!