PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450
All Palmetto State Armory bolt carrier groups
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Palmetto State Armory
Overview
The PSA Logoed Premium 5.56 Nickel Boron BCG is designed for 5.56 NATO caliber rifles, featuring a Nickel Boron finish that enhances durability and resistance to wear. This Bolt Carrier Group combines reliability with smooth operation, making it an excellent choice for builders focused on performance and longevity in their AR-15s. You will frequently find this BCG in builds that utilize a carbine gas system, ensuring optimal function and reliability in typical shooting scenarios.
Specifications
PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450
Available Merchants(1)
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Price Alert
October 2026 on GunPartPicker
PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450 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 #90 of the 549 bolt carrier groups builders have added. Builds with this bolt carrier group are mostly chambered in 5.56 NATO (69%, then 300 Blackout 19%), split between carbine-length (35%) and mid-length (30%) 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 $119.99, with no real sale all month. Buying today, the lowest price is $119.99 at Palmetto State Armory, which matches the best price we saw in October.
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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 builds →Builds in the community that include the PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450
| Build | Parts | Total |
|---|---|---|
 | 24 | $963.97 |
 | 21 | $807.51 |
 | 23 | $1022.34 |
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