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Nickel Boron (NiB) BCG MK1 MOD0
New and Improved as of 06/20/2014
The next generation of Ares Armor NiB Bolt carrier group (auto) for an AR15, M16, or M4 is now available. The Carrier is enhanced with a MK1 ModO NiB coating featuring a proprietary method perfecting the balance of the sodium borohydride reducing agent; a step rarely taken. We then take it one step further to INDIVIDUALLY COAT ALL COMPONENTS before assembly; instead of taking a short and coating an assembled unit.
is completed to Mil-Spec. Properly Staked Gas Key. Gas key is heat treated. An 8620 Carrier and a 9310 Bolt are heat treated, along with the gas key to ensure proper strength. Bolt and Extractor are shot peened before coating and a crane O-ring is installed for superior extraction, along with a properly staked gas key. Proudly made, above and beyond milspec tolerances, in the USA.
All Parts Are Properly Heat Treated to Meet or Exceed Industry Quality and Reliability Standards.
Written by Bureau of Alcohol, Tobacco, Firearms and Explosives (BATFE), Chief of the Firearms Technology Branch
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There is a flat 10.00 shipping rate, order other items at the same time to maximize your savings.
MADE IN AMERICA.
*Pricing and product availability online will vary at retail store locations.
9310 -VS- C158
Properly Heat Treated 9310 May Surpass C158. 9310 Must be PROPERLY
heat treated, such as ours is, to accomplish this. Mil-Spec is a
standard, Our goal is to surpass it!
Carpenter VIM-VAR 9310 Alloy
(AISI Type 9310)
0.10 C, 0.50 Mn, 3.00 Ni, 1.30 Cr, 0.10 Mo, Bal. Fe
A chromium-nickel-molybdenum carburizing steel having high hardenability, good core strength, and superior fatigue resistance.
(AISI Type P6)
0.10 C, 0.50 Mn, 0.30 Si, 1.50 Cr, 3.50 Ni, Bal. Fe
Case-hardening mold steel with exceptionally high strength;
Is a cold working process used to produce a compressive residual stress layer and modify mechanical properties of metals. It entails impacting a surface with shot (round metallic, glass, or ceramic particles) with force sufficient to create plastic deformation.
Shot peening makes a
material have residual compressive stress. This allows for increased quality and durability.
Cran O Ring
While "not essential" in a civilian rifle, the O-ring increases the tension on the extractor throughout its arc of travel, which improves extractor function.