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Palmetto State Armory
Overview
The PSA AR-15 Barrel is a 16-inch barrel designed for 5.56 NATO ammunition, featuring a mid-length gas system that optimizes reliability and reduces recoil. With a 1:7 twist rate, this barrel is capable of stabilizing a wide range of bullet weights, making it versatile for various shooting applications. This barrel is commonly found in builds that prioritize a mid-length gas system and are chambered for 5.56 NATO, catering to both tactical and sporting needs.
PSA AR-15 Barrel 16" 5.56 NATO 1:7 Mid-Length Nitride - 77932227
Prices checked
PSA AR-15 Barrel 16" 5.56 NATO 1:7 Mid-Length Nitride - 77932227 ranked #80 of the 329 barrels builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #121 of the 1,043 barrels builders have added. Builds with this barrel are nearly all chambered in 5.56 NATO, nearly all on mid-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. Prices barely moved in October 2026, holding around $119.99, with no real sale all month. Buying today, the lowest price is $119.99 at Palmetto State Armory, which matches the best price we saw in October.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 37 retailers
We ranked every barrel by how often it shows up in real builds on GunPartPicker.
Read the guide: AR-15 Barrel Length & Brand Report →Check it against the live catalog:
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Builds in the community that include the PSA AR-15 Barrel 16" 5.56 NATO 1:7 Mid-Length Nitride - 77932227
| Build | Parts | Total |
|---|---|---|
![]() | 12 | $935.96 |
![]() | 11 | $563.49 |
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