PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450

Palmetto State Armory PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450 - Bolt Carrier Group for AR-15 - view 1
Palmetto State Armory PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450 - Bolt Carrier Group for AR-15 - view 2
Palmetto State Armory PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450 - Bolt Carrier Group for AR-15 - view 3
Palmetto State Armory PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450 - Bolt Carrier Group for AR-15 - view 4
Palmetto State Armory PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450 - Bolt Carrier Group for AR-15 - view 5
Buy Now

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

MPN516446450
FinishNickel Boron
Caliber5.56 NATO

Available Merchants(1)

Prices checked

Price Alert

Log in to set a price alert on this product.

Palmetto State Armory logo
Palmetto State Armory
Free shipping
Shipping Speed
In Stock
$120

Build history on GunPartPicker

Builders have been adding the PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450 to their builds on GunPartPicker since February 2026. All time, it ranks #103 of the 443 bolt carrier groups builders have added. Builds with this bolt carrier group are nearly all chambered in 5.56 NATO and nearly all AR-15.

Availability is good: it was in stock at one retailer or another nearly every day in August 2026, and today the one retailer we track has it in stock. Prices barely moved in August 2026, holding around $119.99, so there haven't been real sales lately. Buying today, the lowest price is $119.99 at Palmetto State Armory, which matches the best price we saw in August.

Trending bolt carrier groups →

Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 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 →

Builds Featuring This Part

See all 3 →

Builds in the community that include the PSA Logoed Premium 5.56 Nickel Boron BCG with Carpenter 158 Bolt - 516446450

BuildPartsTotal
PSA 12.5" 5.56 build
PSA 12.5" 5.56
24$949.70
18" 5.56 build
18" 5.56
21$801.17
latest 5.56 build build
latest 5.56 build
23$994.79

Review this product

Share your thoughts with other customers

Be the first to review

No reviews yet. Be the first to review this product!