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Palmetto State Armory
Overview
The Toolcraft 5.56 Phosphate MPI Full-Auto Bolt Carrier Group is designed specifically for 5.56 NATO caliber rifles, featuring a phosphate finish that provides durability and corrosion resistance. This full-auto style BCG ensures reliable cycling and performance, making it suitable for builds that demand robust functionality. You'll typically find this BCG in carbine gas system setups, aligning well with the common 5.56 NATO caliber configurations.
Based on build data
Magpul M-LOK Handstop Kit - Black
CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B
Magpul Ar-15 Moe Enhanced Trigger Guard Fde
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger
NcStar Pro Series Sight Front/Rear Flip Up, Black - VMARFLC
Radian Weapons Ar-15 Raptor/talon L/s Combo Black Anodized
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Magpul M-LOK Handstop Kit - Black | 4 | |
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 4 | |
| Magpul Ar-15 Moe Enhanced Trigger Guard Fde | 3 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 3 | |
| NcStar Pro Series Sight Front/Rear Flip Up, Black - VMARFLC | 3 | |
| Radian Weapons Ar-15 Raptor/talon L/s Combo Black Anodized | 3 |
| Platform | Percentage |
|---|---|
| AR-15 | 75% |
| AR-10 | 25% |
| Caliber | Percentage |
|---|---|
| 5.56 NATO | 75% |
| .223 Wylde | 25% |
| Gas System | Percentage |
|---|---|
| Mid-Length | 100% |
Builds in the community that include the Toolcraft 5.56 Phosphate MPI Full-Auto Bolt Carrier Group - No Logo
| Build | Parts | Total |
|---|---|---|
 | 22 | $867.79 |
 | 22 | $1676.45 |
 | 9 | $480.02 |
 | 12 | $669.27 |
 | 20 | $1620.76 |
 | 20 | $1867.06 |
1 global rating
toolcraft full auto BCG with phosphate finish. lockup is positive against a mil spec barrel, headspace measured correct. carrier was tight in the upper for the first 50 rds, broke in after that and now glides clean
