PSA 18" Rifle Length .223 Wylde 1:7 SS 15" Lightweight M-LOK Upper With Nickel Boron BCG & CH
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Palmetto State Armory
Overview
The PSA 18" Rifle Length .223 Wylde Upper Receiver is a complete assembly designed for AR-15 platforms, featuring an 18-inch barrel with a 1:7 twist rate that stabilizes a wide range of bullet weights, making it versatile for various shooting applications. Its rifle-length gas system enhances reliability and smooth cycling, ensuring consistent performance during operation. This upper is particularly well-suited for builds that prioritize the .223 Wylde caliber and utilize a rifle-length gas system.
Specifications
PSA 18" Rifle Length .223 Wylde 1:7 SS 15" Lightweight M-LOK Upper With Nickel Boron BCG & CH
September 2026 on GunPartPicker
PSA 18" Rifle Length .223 Wylde 1:7 SS 15" Lightweight M-LOK Upper With Nickel Boron BCG & CH ranked #43 of the 615 upper receivers builders added on GunPartPicker in September 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #63 of the 1,654 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in .223 Wylde, nearly all on rifle-length gas, 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 the one retailer we track has it in stock. Prices barely moved in September 2026, holding around $379.99, so there haven't been real sales lately. Buying today, the lowest price is $379.99 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
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Frequently Built With
The part most often added in each category by the builds that include this one
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