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Mfg Item #: 4504140C
-Barrel & bolt combo set for caliber change in most applications-M4 feed ramps-Black QPQ finish (Quench polish quench); Specialized type of nitrocarburizing case hardening that increases corrosion resistance-Its is sometimes knows by the brand name of Tufftide, Tenifer or Melonite
| Width | 1.9000 |
|---|---|
| Finish | BLACK MATTE |
| Fluted | N |
| Height | 1.7500 |
| Length | 21.4000 |
| Sights | N |
| Caliber | 450 bushmaster |
| Dimension | 1.75 X 1.90 X 21.40 |
| Ar15 Accessory | Y |
| Other Features | QUENCH-POLISH-QUECH FINISH, MILSPEC CrMOv STEEL, M4 FEED RAMPS,.750 GAS BLOCK, 11/16X24 THREADS, 1:24" RATE OF TWIST |
| Other Features2 | INCLUDES BOLT AND BARREL TO CHANGE CALIBERS ON A AR-15 M4 TO .450 BUSHMASTER |
| Length In Inches | 18.0000 |