Does the PSA 10.5" Pistol-Length 300AAC Blackout work with the Rosco Manufacturing 5.56/300BLK?
Upper Receiver
PSA 10.5" Pistol-Length 300AAC Blackout Nitride 9"
Bolt Carrier Group
Rosco Manufacturing 5.56/300BLK
from $144.00
Palmetto State Armory upper and Rosco Manufacturing bolt carrier group compatibility
Yes, they fit
The PSA 10.5" Pistol-Length 300AAC Blackout Nitride works with the Rosco Manufacturing 5.56/300BLK. Our compatibility rules found no conflict between them.
No one has built this exact setup yet, but Palmetto State Armory uppers with Rosco Manufacturing 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 Palmetto State Armory upper and Rosco Manufacturing bolt carrier group
Backed by thousands of qualified builds that have both an upper and a bolt carrier group.
Share of builds with the Rosco Manufacturing 5.56/300BLK and any upper
PSA 10.5" Pistol-Length 300AAC Blackout
Not in enough builds yet to report.
Rosco Manufacturing 5.56/300BLK
- Of bolt carrier group picks
- 0%
- Median paid
- $144
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 Palmetto State Armory upper and Rosco Manufacturing bolt carrier group
The part builders pick most often in each slot alongside these two, checked against both. Parts that conflict are left out.
Handguard
Stock & Brace
Charging Handle
Fits both
Lower Receiver
Muzzle Device
Suppressor
Barrel
PSA 10.5" Pistol-Length 300AAC vs Rosco Manufacturing: specs and prices
| PSA 10.5" Pistol-Length | Rosco Manufacturing | |
|---|---|---|
| Best price | n/a | $159.00 at BattleHawk Armory |
| Stores | n/a | 4 of 5 in stock |
| Assembly | Complete | n/a |
| Platform | AR-15 | n/a |
| Gas System Length | Pistol | n/a |
| Caliber | 300 Blackout | n/a |
| Length | 10.5 | n/a |
| Cartridge | n/a | 5.56 NATO |
| Finish | n/a | Phosphate |
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
- Rosco Manufacturing 5.56/300BLK: lowest $144.00 on Jul 5, highest $174.99 on Sep 9 over the last 90 days.
Bolt Carrier Groups most paired with Palmetto State Armory uppers
The PSA 10.5" Pistol-Length 300AAC Blackout is not in enough builds yet, so these are the most picked next to any Palmetto State Armory upper. Only parts our rules say fit the PSA 10.5" Pistol-Length 300AAC Blackout are listed.
Upper Receivers frequently paired with the Rosco Manufacturing 5.56/300BLK
Most picked next to it in real builds. Only parts our rules say fit the Rosco Manufacturing 5.56/300BLK are listed.
