Spike's Tactical 5.56 M16 Cut AR-15 Bolt Carrier Group | Phosphate

Spike’s Tactical 5.56 M16 Cut AR-15 Bolt Carrier Group | Phosphate

The Spike’s Tactical 5.56 M16 Cut AR-15 Bolt Carrier Group | Phosphate is a full-auto profile bolt carrier group engineered for shooters who demand dependable reliability, true mil-spec construction, and long-term durability from their AR-15 platform. Built for hard-use rifles, defensive carbines, and duty-grade builds, this M16-cut BCG delivers proven performance using premium materials, proper heat treatment, and strict quality control standards.

Constructed around a full-auto M16 carrier machined from 8620 tool steel, the Spike’s Tactical 5.56 M16 Cut AR-15 Bolt Carrier Group is designed for smooth cycling and enhanced mass compared to lightweight commercial carriers. Shooters frequently search for a full-auto profile AR-15 BCG because the additional carrier weight can improve reliability and help optimize cycling in a wide range of rifle configurations, including suppressed and carbine-length gas systems.

The bolt is manufactured from either Carpenter 158 steel or 9310 steel depending on production supply, both of which are widely respected for their strength and durability in mil-spec AR-15 bolt applications. Each bolt is shot peened, High Pressure Tested (HPT), and Magnetic Particle Inspected (MPI) to verify structural integrity and ensure dependable operation under heavy firing schedules and demanding conditions.

Finished in phosphate inside and out—including the bolt, carrier, and gas key—the Spike’s Tactical 5.56 M16 Cut AR-15 Bolt Carrier Group maintains the classic mil-spec coating trusted for decades in military rifle systems. The phosphate finish provides excellent oil retention and corrosion resistance, making it a preferred choice for shooters who value traditional mil-spec reliability and field-proven performance.

The Spike’s Tactical 5.56 M16 Cut AR-15 Bolt Carrier Group also incorporates a properly staked gas key secured with Grade 8 hardware, chrome-lined internal surfaces, and a mil-spec extractor assembly featuring a black insert and Viton O-ring for enhanced extraction reliability. These upgrades help maintain consistent cycling and dependable extraction, especially in shorter-barreled rifles and higher round count applications.

Laser engraved with the Spike’s Tactical Spider logo and manufactured to exacting standards, the Spike’s Tactical 5.56 M16 Cut AR-15 Bolt Carrier Group delivers the reliability, durability, and mil-spec performance builders expect from a premium AR-15 bolt carrier group.

• Full-auto M16-cut carrier for enhanced reliability
• Compatible with AR-15 rifles chambered in 5.56 NATO and .223 Remington
• 8620 tool steel carrier construction
• Carpenter 158 or 9310 steel bolt depending on supply
• Shot peened, HPT tested, and MPI inspected bolt
• Phosphate finish on bolt, carrier, and gas key
• Chrome-lined gas key interior
• Properly staked gas key with Grade 8 hardware
• Mil-spec extractor with black insert and Viton O-ring
• Hard chrome firing pin included
• Laser engraved Spike’s Tactical Spider logo
• Weight approximately 11.6 oz
• Made in the USA