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Palmetto State Armory
Overview
The PSA 11.5" 5.56 NATO Upper is a complete upper receiver designed for AR-15 builds, featuring an 11.5-inch barrel with a 1:7 twist rate, which stabilizes a wide range of bullet weights effectively. This upper utilizes a carbine-length gas system, promoting reliable cycling and performance, especially in short-barreled configurations. You'll typically find this upper in builds focused on maneuverability and versatility, particularly in close-quarters settings.
PSA 11.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight M-LOK Upper - Without BCG or CH
Prices checked
PSA 11.5" 5.56 NATO 1/7 Nitride 10.5" Lightweight M-LOK Upper - Without BCG or CH is the tenth most added upper receiver on GunPartPicker so far in November 2026, behind the PSA AR-15 Built Stealth Upper Receiver - No T Marks - 516444539, with about 1% of all upper receivers added to builds. That's its 2nd straight month at #10. Builds with this upper receiver are nearly all chambered in 5.56 NATO, nearly all on carbine-length gas, 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. The best price drifted down from $229.99 to $219.99 over October 2026 without a real sale. Buying today, the lowest price is $239.99 at Palmetto State Armory, above October's low of $219.99, so a better deal may come back.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
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:
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