Spike's Tactical Nickel Boron Best Bolt MPI HPT AR15 Easy Cl

Spike's Tactical Nickel Boron Best Bolt MPI HPT AR15 Easy Cl

Model:  ST5B503

$144.95  $133.95 

Manufacturer:  Spike's Tactical

Availability : In-Stock


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Spike's Tactical Nickel Boron Best Bolt MPI HPT AR15 Easy Clean

If you’re looking for the finest Bolt on the market today, search no more! This is the same Mil-Spec Bolt that we sell but the only difference is that it’s coated in Nickel Boron. And yes, it’s High Pressure Tested and Magnetic Particle Inspected (HPT/MPI). Nickel Boron has proven itself to be the most durable finish on the market. It’s much smoother than Hard Chrome, it’s easier to clean, makes the rifle cycle smoother, it can be run almost lube free for thousands of rounds, and it will never chip, peal, or flake off! Because of these benefits, Nickel Boron is being adopted by the Military as well as many Government agencies. As you can see, these BCGs are a huge improvement over a standard Phosphate BCG and it’s even an improvement over Hard Chrome.

The bolt is the heart of your weapon system. The Spike's Hard Chrome Bolt is a premium bolt upgrade that offers the highest strength with an easy clean finish.  Add the benefits of nickel boron to the area that gets dirtiest and maintain your dark low profile appearance with your own phosphated carrier. M16/AR15 5.56x45/.223 caliber Bolt. PREMIUM AR15 Bolt AT AN OUTSTANDING PRICE! Upgrade to a better Bolt today. You won’t be sorry.

Bolt specifications:

-Bolts are CNC machined from Carpenter No. 158®.

-All bolts are shot peened per the current Mil-Spec to relieve metal strain

-All bolts (NOT JUST A SAMPLING) are Individually High Pressure Tested (HPT) and then Individually Magnetic Particle Inspected (MPI).

-Hard Chrome Tool steel extractor, shot peened,, fitted with a Mil-Spec black extractor spring insert and Mil-Spec Viton o-ring to avoid most extraction problems.


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