PSA GEN4 16" 9mm Classic Upper - With BCG and CH
Click to see full view
Palmetto State Armory
Overview
The PSA Gen4 16" 9mm Classic Upper is a complete upper receiver designed for the AR-15 platform, featuring a 16-inch barrel optimized for 9mm caliber ammunition. This assembly includes a bolt carrier group (BCG) and charging handle (CH), making it a straightforward option for builders looking to convert their AR-15 into a pistol-caliber carbine. This upper is commonly found in builds focused on versatile home defense or competitive shooting.
Specifications
PSA GEN4 16" 9mm Classic Upper - With BCG and CH
Build history on GunPartPicker
Builders have been adding the PSA GEN4 16" 9mm Classic Upper - With BCG and CH to their builds on GunPartPicker since March 2026. All time, it ranks #917 of the 1,654 upper receivers builders have added.
Availability is good: it was in stock at one retailer or another nearly every day in September 2026, and today the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $329.99, so there haven't been real sales lately. Buying today, the lowest price is $329.99 at Palmetto State Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
Not sure which upper receiver to pick?
We ranked every upper receiver by how often it shows up in real builds on GunPartPicker.
Read the guide: Most Popular AR-15 Upper Receivers →Check it against the live catalog:
Frequently Built With
The part most often added in each category by the builds that include this one
CMMG AR15 Charging Handle Assembly, Black - 55BA5EC
PSA AR-15 Complete Classic Lower Receiver No Mag
ODIN Works Bolt Carrier Group, Black, Matte - ACC9MMENHANCEDBCGBLK
Aim Sports A2 AR-15 Carry Handle - MT017
Harrington & Richardson Retro M16A1 Fixed Stock w/ Trap
No reviews yet. Be the first to review this product!