1. Home
  2. Firearm Components
  3. Slides & Receivers
  4. Bolt Carrier Groups
Bolt Carrier Groups

LanTac USA Bolt Carrier Group – 308 Win, Nickel Boron Coated (LA00300)

No reviews yet Be the first to review
Brand LanTac USA LLC Shop all → MFR# LA00300 UPC 784672665315
Shop all →
Free ground shipping
LanTac USA Bolt Carrier Group – 308 Win, Nickel Boron Coated (LA00300)

Click the image to open it full size. Additional supplier images appear when available.

Why customers choose this item

  • 308 Winchester compatibility
  • Nickel boron coated finish
  • 8620 steel carrier material
  • 9310 steel bolt construction
  • DPMS pattern compatibility
  • Bolt carrier group type

Product highlights

  • 308 bolt carrier group designed for reliable cycling in DPMS pattern rifles
  • Constructed from 8620 steel carrier with precision ground 9310 bolt
  • Nickel boron coating provides low friction and enhanced surface hardness
  • Designed to run cooler and cleaner during extended firing sessions
  • Reduces upper receiver pressurization when shooting with suppressors attached
  • Precision machined components ensure consistent operation and durability

Product description

The LanTac USA LLC 308 Winchester E-BCG LA00300 is a bolt carrier group designed for cycling and chambering operations in 308 Winchester DPMS-style rifles.

This bolt carrier group is precision machined from 8620 steel with a 9310 steel bolt and features an electroless nickel boron finish using the UCT EXO coating process. The surface has a stated friction coefficient of 0.02 and a hardness rating of 82–85 Rockwell C. It is configured for DPMS-style 308 platforms and includes a complete carrier assembly. In normal operation, the bolt carrier group manages cycling within the upper receiver during firing sequences. This product is used for rifle operation and component replacement in 308 Winchester AR platforms requiring a nickel boron coated bolt carrier assembly.

Specifications

Brand
LanTac USA LLC
Model / Series
LA00300
MPN (Manufacturer Part #)
LA00300
UPC
784672665315
Item Type (leaf)
Bolt Carrier Group
Pack Quantity
1
Weight
18.5 oz
Primary Use / Application
Fire Control
Platform Compatibility
AR-10
Caliber Compatibility
.308 Win
Material
8620 Steel
Finish / Coating
Nickel Boron
Configuration
Complete BCG
Included Components
Complete BCG

Related searches

Compare Similar Products

Attribute You're viewing
LanTac USA Bolt Carrier Group – 308 Win, Nickel Boron Coated (LA00300)
LanTac USA Bolt Carrier Group – 308 Win, Nickel Boron Coated (LA00300)
Lantac 556 Enhanced Bolt Carrier Group Fits 5.56 NATO – Black Nitride (01-UP-556-NIT-EBCG)
Lantac 556 Enhanced Bolt Carrier Group Fits 5.56 NATO – Black Nitride (01-UP-556-NIT-EBCG)
FailZero AR-15 Bolt Carrier Group – Nickel Boron Coated, No Hammer, Black
FailZero AR-15 Bolt Carrier Group – Nickel Boron Coated, No Hammer, Black
Price$339.95$262.40$164.56
Primary Use / ApplicationFire ControlRifle OperationAR-15 Cycling
Platform CompatibilityAR-10AR-15AR-15
Material8620 Steel8620 SteelSteel
Finish / CoatingNickel BoronNitrideNiB EXO
Caliber Compatibility.308 Win.223/5.56 NATO5.56/.223
ConfigurationComplete BCGComplete BCGNo Hammer

Featured offers

Volume pricing for business and agency buyers, plus free ground shipping on most continental U.S. orders.

Business & agency accounts

Bulk discounts

Volume pricing, dedicated account management, ACH payment options, and special sourcing for businesses, agencies, law enforcement, and first responders.

Register an account
Every contiguous U.S. order

Free ground shipping

No minimum. Orders ship within one business day of payment and verification, and eligible orders can be upgraded to as fast as next-day at checkout.

See shipping details

Customer reviews

No reviews yet This product hasn't been reviewed. If you've used it, your write-up helps the next buyer.

Write a review

New gear, restocks, and member pricing

One email a week. Product drops, price changes on items you follow, and business-account offers.

Unsubscribe any time. We don't sell your address.