Be sure to look for Installation Instruction and Tech Tip Video tabs in individual product pages. Installing the MBA-1 Buttstock Play Locating the Buttstock Screw Play 3-Axis Butt Plate Kit for the MBA-1 Play Swap the Ambi-Cheek Piece Play Installing the Buttstock Spacers Play Adding a Limb Saver Play MBA-3 Features Play Adjusting the 3-Axis Butt Plate Play Setting the Anti-rattle set screw Play Charging Handle Clearance Play Adding Adjustable Buttstock Kit to MBA-2 and MBA-4 Play Adding Adjustable Cheek Piece to MBA-2 and MBA-4 Play Installing Grove Tec Sling Swivel with Install Tool Play Installing Grove Tec Sling Swivel with 1/4″ Allen Play Installing Rear A2 Sling Swivel Play Install QD Sling Swivel Kit Close Up Play Install QD Sling Swivel with Allen Wrench Close Up Play A2 vs Carbine Buffer Tubes, Buffers and Springs Play MBA-1 FAQ Play 3rd Party Videos worth Watching Building an AR with a Luth-AR Complete Upper — Video by GunStockReviews.com http://d2xu02nfy0bv2e.cloudfront.net/Building+a+Modern+Sporting+Rifle+with+Luth-AR+Parts.mp4 How to install the Lower Enhanc-AR™ Kit — Video by GunStockReviews.com https://s3-us-west-2.amazonaws.com/gunstockreviews/LUTH-AR+Lower+_Enhance-ARTM_+Kit.mp4