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Lantac
Overview
The Lantac Enhanced Bolt Carrier Group (E-BCG) is designed for the 5.56 NATO caliber, providing reliable cycling and improved performance for your AR-15. Constructed from steel with a nitride finish, this BCG enhances durability and corrosion resistance, making it a solid choice for builders looking for longevity in their components. This bolt carrier group is commonly found in builds utilizing a carbine gas system, particularly those chambered in .308 Win.
Specifications
Available Merchants(5)
Prices checked
Price Alert
October 2026 on GunPartPicker
LANTAC Enhanced Bolt Carrier Group - E-BCG ranked #98 of the 258 bolt carrier groups builders added on GunPartPicker in October 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #82 of the 505 bolt carrier groups builders have added. Builds with this bolt carrier group are mostly chambered in 5.56 NATO (89%), split between carbine-length (58%) and mid-length (33%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in October 2026, and today 4 of the 5 retailers we track have it in stock. The best price crept up from $261.99 to $316.99 over October 2026. Buying today, the lowest price is $270.99 at Palmetto State Armory.
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Frequently Built With
The part most often added in each category by the builds that include this one
LMT MARS-L Ambidextrous AR-15 Stripped Lower Receiver
Daniel Defense 14.5" 5.56 M4A1 AR-15 Complete Upper - Flat Dark Earth
Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black
Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
Magpul MOE K2 Grip Polymer Gray
Magpul AFG-2 Angled Fore Grip - Black
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
PlatformBased on real build data showing which platform (AR-15, AR-10, AR-9) builders pair with this product.
CaliberBased on real build data showing which calibers builders choose alongside this product.
Gas SystemBased on real build data showing which gas system lengths builders use with this product.
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