PSA 20" Rifle-Length 5.56 NATO 1/7 Stainless Steel 15" Lightweight M-LOK Upper With BCG & Charging Handle
All Palmetto State Armory upper receivers
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Palmetto State Armory
Overview
The PSA 20" Rifle-Length 5.56 NATO Upper is a complete assembly designed for AR-15 platforms, featuring a 20-inch barrel and a rifle-length gas system that effectively manages recoil and ensures reliable cycling. Its 1:7 twist rate is optimized for stabilizing heavier bullets, making it suitable for a variety of ammunition types. This upper is commonly used in precision-oriented builds where accuracy and range are prioritized.
Specifications
PSA 20" Rifle-Length 5.56 NATO 1/7 Stainless Steel 15" Lightweight M-LOK Upper With BCG & Charging Handle
Available Merchants(1)
Prices checked
Price Alert
September 2026 on GunPartPicker
PSA 20" Rifle-Length 5.56 NATO 1/7 Stainless Steel 15" Lightweight M-LOK Upper With BCG & Charging Handle ranked #117 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 #143 of the 1,712 upper receivers builders have added. Builds with this upper receiver are nearly all chambered in 5.56 NATO, 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 $359.99, so there haven't been real sales lately. Buying today, the lowest price is $359.99 at Palmetto State Armory, which matches the best price we saw in September.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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Frequently Built With
The part most often added in each category by the builds that include this one
PSA Stealth AR-15 Complete Lower Magpul MOE Edition No Mag - 5165500387
Rise Armament Super Sporting AR15/10 Single Stage Trigger - Flat - Dtom Special Edition
Magpul M-LOK Handstop KIT - Black
Breek Arms AR-15 Warhammer MOD2 Ambidextrous Charging Handle Black
PSA AR-15 Bolt Carrier Group 5.56 Full-Auto Nitride MPI - 516446953
Wilson Combat AR-15 Starburst Gunfighter Pistol Grip Black
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