Lantac121686547
LANTAC M-SPEC BCG 223/556 TIN$200.00
Availability: In Stock
Current Stock: Out of stock
The LanTac 556 Enhanced BCG TiN Coated Bolt Carrier Group is a precision-engineered replacement carrier built for shooters who want smoother operation, reduced wear, and better suppressor compatibility on their AR-15 rifles. Built from 8620 steel with a Carpenter 158 shot-peened bolt, the E-BCG uses a proprietary TiN (titanium nitride) coating across the entire carrier assembly for superior durability and lubricity. Whether you're running a full-auto-profile carrier for its mass benefits, shooting suppressed, or just looking to upgrade your BCG for reliability and longevity, this is a purpose-built component that handles both semi-auto and full-auto platforms.
What sets the LanTac E-BCG apart is its patented shrouded gas port design and resized forward-facing vents. Instead of routing gas like a standard carrier, the redesigned porting vents gas differently, allowing the system to run flatter with a noticeably smoother energy pulse. This geometry also reduces upper receiver pressurization—a real problem in suppressed short-barrel builds and over-gassed rifles. The result is a carrier that runs cooler, cleaner, and with less bolt carrier tilt. Every critical dimension is hard turned and ground after heat treat; the gas key is hard chrome lined to MIL-STD-171 specs; and the CP-R360 domed cam pin (machined from 17-4PH stainless and hardened to H900) glides in the upper with minimal wear.
At 11.7 ounces, the E-BCG's full-auto-profile mass improves lock time and delivers a more controlled feel through the firing cycle. Four-point staking and Grade 8 fasteners throughout ensure it holds up to hard use. This is a domestic, warranty-backed upgrade for serious shooters and hunters who don't accept second-rate internal parts.
| Brand | LanTac USA LLC |
| Product Type | Enhanced Bolt Carrier Group |
| Caliber Compatibility | .556 NATO |
| Carrier Material | 8620 Steel, heat treated, hard turned and ground |
| Bolt Material | Carpenter 158, shot peened, hard turned and ground |
| Coating | TiN (Titanium Nitride) on carrier assembly |
| Cam Pin | CP-R360 domed head, 17-4PH stainless steel, hardened to H900 (45RC approx) |
| Gas Key | Hard chrome lined (MIL-STD-171 compliant), four-point staked |
| Gas Rings | Mil-Spec |
| Fasteners | Grade 8 hardened |
| Weight | 11.7 oz |
| Operation | Semi-auto and full-auto compatible |
| Warranty | Lifetime |
| Country of Origin | Made in the USA |
Yes. The LanTac 556 Enhanced BCG is compatible with standard .556 NATO AR-15 rifles and operates in both semi-auto and full-auto platforms.
The E-BCG's patented forward-facing gas port design and resized vents reduce upper receiver pressurization compared to standard carriers, which is especially helpful in suppressed short-barrel rifles. However, it is not a complete solution on its own—over-gassed rifles will still experience some increased back pressure. Proper tuning of your overall system is important.
The package includes the 8620 steel carrier (TiN coated), the Carpenter 158 bolt, the CP-R360 domed cam pin, mil-spec gas rings, and the four-point staked hard chrome-lined gas key with Grade 8 fasteners. No upper receiver or other components are included.
The patented CP-R360 domed head cam pin is machined from 17-4PH stainless steel and hardened to H900 condition. The smooth, domed profile reduces wear on the upper receiver interior compared to standard cam pins, contributing to the overall smooth operation and extended longevity of the system.
SKU: 115686265 • Width: 3.88in • Height: 1.75in • Depth: 11in • Weight: 0.88oz
Availability: In Stock
Current Stock: Out of stock
The LanTac 556 Enhanced BCG TiN Coated Bolt Carrier Group is a precision-engineered replacement carrier built for shooters who want smoother operation, reduced wear, and better suppressor compatibility on their AR-15 rifles. Built from 8620 steel with a Carpenter 158 shot-peened bolt, the E-BCG uses a proprietary TiN (titanium nitride) coating across the entire carrier assembly for superior durability and lubricity. Whether you're running a full-auto-profile carrier for its mass benefits, shooting suppressed, or just looking to upgrade your BCG for reliability and longevity, this is a purpose-built component that handles both semi-auto and full-auto platforms.
What sets the LanTac E-BCG apart is its patented shrouded gas port design and resized forward-facing vents. Instead of routing gas like a standard carrier, the redesigned porting vents gas differently, allowing the system to run flatter with a noticeably smoother energy pulse. This geometry also reduces upper receiver pressurization—a real problem in suppressed short-barrel builds and over-gassed rifles. The result is a carrier that runs cooler, cleaner, and with less bolt carrier tilt. Every critical dimension is hard turned and ground after heat treat; the gas key is hard chrome lined to MIL-STD-171 specs; and the CP-R360 domed cam pin (machined from 17-4PH stainless and hardened to H900) glides in the upper with minimal wear.
At 11.7 ounces, the E-BCG's full-auto-profile mass improves lock time and delivers a more controlled feel through the firing cycle. Four-point staking and Grade 8 fasteners throughout ensure it holds up to hard use. This is a domestic, warranty-backed upgrade for serious shooters and hunters who don't accept second-rate internal parts.
| Brand | LanTac USA LLC |
| Product Type | Enhanced Bolt Carrier Group |
| Caliber Compatibility | .556 NATO |
| Carrier Material | 8620 Steel, heat treated, hard turned and ground |
| Bolt Material | Carpenter 158, shot peened, hard turned and ground |
| Coating | TiN (Titanium Nitride) on carrier assembly |
| Cam Pin | CP-R360 domed head, 17-4PH stainless steel, hardened to H900 (45RC approx) |
| Gas Key | Hard chrome lined (MIL-STD-171 compliant), four-point staked |
| Gas Rings | Mil-Spec |
| Fasteners | Grade 8 hardened |
| Weight | 11.7 oz |
| Operation | Semi-auto and full-auto compatible |
| Warranty | Lifetime |
| Country of Origin | Made in the USA |
Yes. The LanTac 556 Enhanced BCG is compatible with standard .556 NATO AR-15 rifles and operates in both semi-auto and full-auto platforms.
The E-BCG's patented forward-facing gas port design and resized vents reduce upper receiver pressurization compared to standard carriers, which is especially helpful in suppressed short-barrel rifles. However, it is not a complete solution on its own—over-gassed rifles will still experience some increased back pressure. Proper tuning of your overall system is important.
The package includes the 8620 steel carrier (TiN coated), the Carpenter 158 bolt, the CP-R360 domed cam pin, mil-spec gas rings, and the four-point staked hard chrome-lined gas key with Grade 8 fasteners. No upper receiver or other components are included.
The patented CP-R360 domed head cam pin is machined from 17-4PH stainless steel and hardened to H900 condition. The smooth, domed profile reduces wear on the upper receiver interior compared to standard cam pins, contributing to the overall smooth operation and extended longevity of the system.
SKU: 115686265 • Width: 3.88in • Height: 1.75in • Depth: 11in • Weight: 0.88oz