Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - No Logo
All Palmetto State Armory bolt carrier groups
Click to see full view
Palmetto State Armory
Overview
The Premium 5.56 Nickel Boron Bolt Carrier Group (BCG) from Palmetto State Armory is designed specifically for 5.56 NATO caliber builds, providing enhanced durability and ease of cleaning thanks to its Nickel Boron finish. This finish not only reduces friction but also helps in resisting corrosion, making it a reliable choice for builders who value performance and longevity. You’ll commonly find this BCG in mid-length gas system builds, where reliability and smooth operation are essential.
Specifications
Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - No Logo
Available Merchants(1)
Prices checked
Price Alert
October 2026 on GunPartPicker
Palmetto State Armory Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - No Logo ranked #98 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 #44 of the 552 bolt carrier groups builders have added. Builds with this bolt carrier group are mostly chambered in 5.56 NATO (71%, then 300 Blackout 14%), split between mid-length (39%) and carbine-length (32%) 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 the one retailer we track has it in stock. Prices barely moved in October 2026, holding around $109.99, with no real sale all month. Buying today, the lowest price is $109.99 at Palmetto State Armory, which matches the best price we saw in October.
Trending bolt carrier groups →
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
Not sure which bolt carrier group to pick?
We ranked every bolt carrier group by how often it shows up in real builds on GunPartPicker.
Read the guide: The Most Trusted AR-15 BCGs →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the builds that include this one
Breek Arms Warhammer MOD2 AR-15 Ambidextrous Charging Handle - FDE
PSA AR-15 Built Stealth Upper Receiver - No T Marks - 516444539
Wilson Combat AR-15 Lower Receiver Forged
PSA Custom AR Trigger Single-Stage Flat Drop-In Match Grade - 116055
Magpul AR-15 MOE Stock Collapsible Mil-Spec Black
Reptilia Corp CQG Grip Long - Grey
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.
Builds Featuring This Part
See all builds →Builds in the community that include the Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - No Logo
| Build | Parts | Total |
|---|---|---|
 | 13 | $870.74 |
 | 9 | $1489.90 |
 | 22 | $1292.39 |
 | 8 | $820.80 |
No reviews yet. Be the first to review this product!