7.5" 300 Blackout AR-15 Pistol Project Essentials Kit (3E1P7)

$ 131.42

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This essentials kit includes our premium 7.5" 300 Blackout barrel and complete pistol buffer tube extension assembly, steel .750 low profile gas block with roll pin, seamless stainless steel pistol gas tube, A2 "Birdcage" 5/8-24 Flash Hider with Crush Washer. All included components are proudly manufactured in America by Americans for Americans to our exact and demanding design, material and finish specifications which meet or well exceed U. S. Military specifications anywhere such specifications may be applicable

7.5" 300 Blackout Barrel -

Our premium 300 Blackout barrels are manufactured on state of the art CNC equipment under rigorous ISO 9002 Quality Control Standards. From material selection to the first turn of the lathe, to drilling, reaming, rifling, turn, chamber and gas port creation, pinning of the Barrel Extension, drill the gas hole, and mill the flutes, careful attention is paid at each and every step and all features are completed on the latest CNC equipment and every single barrel must pass a demanding Final Inspection before shipping.


Caliber:                        300 Blackout

Length:                        7.5”

Twist:                           1:7

Finish:                          Parkerized

Profile:                         Heavy

Material:                      4140 Gun Quality Steel, Heat Treated to RC 28-32 Hardness, and Stress Relieved

M4 Feed Ramps:      Of course!

Flutes:                         No

Gas System:               Pistol

Gas Block Diameter:  0.750

Gas Hole Diameter:    0.11


Pistol Buffer Tube Assembly - 

If you're ready to try a short barreled upper on an AR15 without any hassle a pistol buffer tube is a great way to go. This tube is precision machined on the latest CNC machinery from a 7075 T6 billet aircraft aluminum blank and finished with rugged matte black Type III anodizing. Throughout the manufacturing process tolerances are very tightly controlled so that the end product is a perfect fit with your receiver leaving zero gap between components while allowing zero play or wobble.


  • Precision CNC Machined Aerospace Grade 7075 T6 Aluminum AR15 Pistol Buffer Tube - Type III Class II Hard Coat Anodized - Matte Black
  • 3 Ounce Carbine Buffer - Anodized Black
  • Slick-Kote(TM) Carbine Buffer Spring
  • Mil-Spec End Plate - Black Phosphate
  • Mil-Spec Castle (Locking) Nut - Black Phosphate

Kit Also Includes:

  • 4140 Steel Micro Low Profile Gas Block with Roll Pin - .750 Inner Diameter, Heat Treated and Stress Releived - Black Phosphate
  • Seamless Stainless Steel Pistol Length Gas Tube
  • A2 "Birdcage" 5/8-24 Flash Hider with Crush Washer - Black Nitride