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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
Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black
CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B
Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK
Magpul M-LOK Handstop Kit - Black
Strike Industries Ar-15 Gas Tube - Carbine Length
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger
Aggregated and anonymized data showing how builders use this product
| Product | Category | Times Built Together |
|---|---|---|
| Breek Arms Ar-15 Warhammer Mod2 Ambidextrous Charging Handle Black | 5 | |
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 5 | |
| Strike Industries Ambidextrous Magazine Release, Black - ARAMBIMRBK | 4 | |
| Magpul M-LOK Handstop Kit - Black | 4 | |
| Strike Industries Ar-15 Gas Tube - Carbine Length | 4 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 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 | $866.59 |
 | 22 | $1650.45 |
 | 9 | $501.77 |
 | 12 | $644.90 |
 | 20 | $1699.81 |
 | 20 | $1883.14 |
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
