Does the Aero Precision 12.5" 5.56 Cold Hammer work with the PSA 5.56 Full-Auto Nitride MPI?
Barrel
Aero Precision 12.5" 5.56 Cold Hammer Forged
from $269.99
Bolt Carrier Group
PSA 5.56 Full-Auto Nitride MPI
from $89.99
Aero Precision barrel and Palmetto State Armory bolt carrier group compatibility
Yes, they fit
The Aero Precision 12.5" 5.56 Cold Hammer Forged works with the PSA 5.56 Full-Auto Nitride MPI. Our compatibility rules found no conflict between them.
No one has built this exact setup yet, but Aero Precision barrels with Palmetto State Armory bolt carrier groups are a common pairing.
Counted from real GunPartPicker builds: parts lists people put together while planning to buy.
Checked by the same rules the AR builder runs on every part you add: caliber, frame size, receiver pattern, thread pitch and gas length.
Fit is judged from the specs retailers list, which can be missing or wrong. Confirm with the manufacturer before you buy, and have a qualified gunsmith check any build before you fire it.
How often builders pair the Aero Precision barrel and Palmetto State Armory bolt carrier group
Backed by thousands of qualified builds that have both a barrel and a bolt carrier group.
Share of builds with the PSA 5.56 Full-Auto Nitride MPI and any barrel
Aero Precision 12.5" 5.56 Cold Hammer
Not in enough builds yet to report.
PSA 5.56 Full-Auto Nitride MPI
- Of bolt carrier group picks
- 3.8%
- Median paid
- $75
How we count ⌄
These shares come from GunPartPicker's build data: real parts lists people put together while planning a purchase, not sales or surveys. A build counts a part only when it is the final pick for its slot, so parts that were swapped out never count. Fit never comes from these numbers; it comes from our compatibility rules alone.
Frequently built with the Aero Precision barrel and Palmetto State Armory bolt carrier group
The part builders pick most often in each slot alongside these two, checked against both. Parts that conflict are left out.
Charging Handle
Lower Receiver
Fits both
Stock & Brace
Upper Receiver
Gas Block
Trigger
Pistol Grip
Aero Precision 12.5" 5.56 Cold vs PSA 5.56 Full-Auto Nitride MPI: specs and prices
| Aero Precision 12.5" 5.56 | PSA 5.56 Full-Auto Nitride | |
|---|---|---|
| Best price | $269.99 at AT3 Tactical | $89.99 at Palmetto State Armory |
| Stores | 0 of 1 in stock | 1 of 1 in stock |
| Caliber | 5.56 NATO | n/a |
| Gas System | Mid-Length | n/a |
| Length | 12.5 | n/a |
| Cartridge | n/a | 5.56 NATO |
| Style | n/a | Full-Auto |
| Finish | n/a | Nitride |
Both for $359.98 at today's best prices.
Today's best prices and 90 day price history
Every store we track for each part, cheapest in stock first. Prices are checked through the day.
Price history, last 90 days
- Aero Precision 12.5" 5.56 Cold Hammer: lowest $269.99 on Jul 5, highest $269.99 on Jul 5 over the last 90 days.
- PSA 5.56 Full-Auto Nitride MPI: lowest $69.99 on Jul 31, highest $89.99 on Aug 11 over the last 90 days.
Bolt Carrier Groups most paired with Aero Precision barrels
The Aero Precision 12.5" 5.56 Cold Hammer is not in enough builds yet, so these are the most picked next to any Aero Precision barrel. Only parts our rules say fit the Aero Precision 12.5" 5.56 Cold Hammer are listed.
Barrels frequently paired with the PSA 5.56 Full-Auto Nitride MPI
Most picked next to it in real builds. Only parts our rules say fit the PSA 5.56 Full-Auto Nitride MPI are listed.
