Fail Zero Lightweight M16 / AR-15 Bolt Carrier Group - No Hammer
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FailZero
Overview
The Fail Zero Lightweight M16 / AR-15 Bolt Carrier Group is designed for 5.56 NATO caliber rifles and features a low mass bolt carrier, which helps reduce overall weight and improve cycling speed. Its Nickel Boron finish enhances durability and provides easier cleaning after use, ensuring reliable performance under various conditions. This bolt carrier group is frequently utilized in carbine gas system builds, making it a great choice for builders focused on lightweight, efficient setups.
Specifications
Fail Zero Lightweight M16 / AR-15 Bolt Carrier Group - No Hammer
Available Merchants(7)
Prices checked
Price Alert
October 2026 on GunPartPicker
FailZero Fail Zero Lightweight M16 / AR-15 Bolt Carrier Group - No Hammer ranked #61 of the 258 bolt carrier groups builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #50 of the 549 bolt carrier groups builders have added. Builds with this bolt carrier group are mostly chambered in 5.56 NATO (94%), split between mid-length (54%) and carbine-length (46%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, and today 6 of the 7 retailers we track have it in stock. It dipped to $186.74 at BattleHawk Armory for a stretch in October 2026, well under its usual $234.99, so sales do come around. Buying today, the lowest price is $186.74 at BattleHawk Armory, which matches the best price we saw in October.
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Frequently Built With
The part most often added in each category by the builds that include this one
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Geissele Automatics AR-15 SSA-E X Lightning Bow Trigger
FAB Defense GL-Core M CP Buttstock Black - Tactical GL-Core M CP Buttstock for Improved Shooting Precision and Durability - FXGLCOREMAGCPB
Timber Creek Outdoors Enforcer AR-15 Pistol Grip - Red
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use 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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