GENESIS Builder's Set with MLOK Handguard (5.5" - 15")

Old Testament Firearms
$239.78 $234.49
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THIS IS A FFL ITEM - Please have your FFL email: with your Name/Order Number after you check out!


Our GENESIS-15 AR15 Builder's Sets are now available! These beautiful builder's sets are the perfect choice for your next precision build, competition, duty use or range toy and it will look beautiful on display in your gun room or in your safe! These builder sets feature our Enhanced Lower Receiver paired with hand-selected forged upper receiver for a tight fit and your choice of our next generation MLOK Free Float Handguard from 5.5" all the way up to 15"! If you're looking to build a HIGH quality AR15 rifle or pistol without spending thousands - THIS builder's set is the perfect choice!

Lower Features:

  • Precision Machined 7075-T6 Aluminum Lower Receiver
  • Threaded Bolt Catch Hold (Includes Screw)
  • Threaded Takedown Spring Hole (Includes Set Screw)
  • Threaded Grip For Upper Tension Screw (Includes Screw)
  • Compatible with Mil-Spec Components and Most Aftermarket Parts
  • Type 3 Class 2 Hardcoat Anodized
  • M4 Cut Fire Control Group Pocket
  • Model: GEN15
  • Caliber: MULTI
  • Bullet Pictograms For Safe/Fire/Full Auto
  • Old Testament Firearms Logo Rollmark
  • Made In The USA

Upper Features:

  • Indivdually Hand Inspected/Selected For Tight Fit with Lower Receiver
  • Precision Machined 7075-T6 Forged Aluminum Receiver
  • M4 Feed Ramps
  • Hard Coat Anodized Black
  • Made In The USA

Handguard Features:

  • Precision Machined 6061-T6 Aluminum
  • Full Length Picatinny Top Rail
  • MLOK Attachment Slots on 7 Sides
  • NON-Indexing Steel Barrel Nut
  • Anti-Rotation Tabs
  • 1.375" Inner Diameter
  • Dimensions
    • 5.5" overal length - 9.8oz
    • 7.2" overal length - 11.0oz
    • 9.0" overal length - 12.3oz
    • 9.8" overal length - 12.8oz (Classified as 10" For Builders Sets/Reference)
    • 13.0" overal length - 15.0oz
    • 15.0" overal length - 16.4oz


THIS IS A FFL ITEM - Please have your FFL email: with your Name/Order Number after you check out!