Fail Zero .450 Bushmaster AR-15 Bolt Carrier Group - No Hammer
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FailZero
Overview
The Fail Zero .450 Bushmaster AR-15 Bolt Carrier Group is designed specifically for the .450 Bushmaster caliber, featuring a durable Nickel Boron finish that enhances corrosion resistance and facilitates smoother cycling. This M16-style bolt carrier provides reliable function and improved performance, making it a solid choice for builds that require a robust and consistent operation. Commonly found in mid-length gas system configurations, this BCG is ideal for those looking to maximize the potential of their .450 Bushmaster setups.
Specifications
Fail Zero .450 Bushmaster AR-15 Bolt Carrier Group - No Hammer
September 2026 on GunPartPicker
FailZero Fail Zero .450 Bushmaster AR-15 Bolt Carrier Group - No Hammer ranked #18 of the 217 bolt carrier groups builders added on GunPartPicker in September 2026, behind the Bravo Company Manufacturing AR-15 Bolt Carrier Group - M16, with about 1 in every 143 bolt carrier groups added to builds. Down from #15 in August. Builds with this bolt carrier group are mostly chambered in 5.56 NATO (68%), split between mid-length (43%) and carbine-length (29%) gas systems, and nearly all AR-15.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today 5 of the 7 retailers we track have it in stock. It dipped to $149.39 at BattleHawk Armory for a stretch in September 2026, well under its usual $173.99 to $189.99, so sales do come around. Buying today, the lowest price is $149.39 at BattleHawk Armory, which matches the best price we saw in September.
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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.
Builds Featuring This Part
See all 4 →Builds in the community that include the Fail Zero .450 Bushmaster Ar-15 Bolt Carrier Group - No Hammer
| Build | Parts | Total |
|---|---|---|
 | 10 | $756.78 |
 | 18 | $2829.43 |
 | 13 | $2626.06 |
 | 12 | $1088.11 |
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