Bolt Only – Microbest m16 Full Chrome HPT / MPI Bolt Face Assembly, Sprinco



Tools / Extras

Super Duper Extreme Lifetime Warranty

Free replacement 1 time for any not-illegal reason. Shoot it out, stolen, lost, used up, broken, held in evidence in legit self defense, ran over with a truck, lost in a boat, pooped/peed on, herpes, nodes, yeeted, misplaced, eaten by dog, etc, we'll send you another one time. What a deal!!1!1!!!1!!one!1!!

Product price: $79.00
Order total:

Free shipping on all orders over $500

A solid Bolt is a key component of your Ar15 Bolt Carrier Group. Microbest produces top quality mil-spec Bolts and BCGs for the military and other quality rifle manufacturers. This 5.56 / 223 Bolt face features a full hard chrome exterior coating and is properly made, ready to run reliably in your rifle.

Mil-Spec Bolt , Full Chrome

  • Carpenter 158 Steel (c158)
  • Shot Peened
  • High Pressure Tested (HPT) 
  • Magnetic Particle Inspected (MPI)
  • Sprinco Extractor and ejector springs, with sprinco insert and oring

Mil Spec Extractor – Phosphate

  • Phosphate extractor has more friction when gripping the case rim, allowing for more reliable extraction.
  • 4140 Steel
  • Extractor Spring by Sprinco
  • Black Extractor Insert and Oring

Additional information

Weight .75 lbs
Dimensions 8 × 4 × 4 in

5.56/.223, 300 BLK