Direct impingement pistol-length gas port with a low profile pinned gas block. Upper and lower receivers built from forged 7075-T6 aluminum with type III hard coat anodized finish; exclusive Accu-Tite tension system. Barrel constructed from 416R stainless steel with Melonite treatment; 1:7 inch twist. M-LOK aluminum free floating handguard with locking tabs and a forward hand stop; top rail; no sights. Equipped with a Springfield Armory forward blast diverter, enhanced GI single stage trigger with nickel boron coating; receiver end plate with QD swivel mount point. Bravo Company trigger guard and Mod 3 pistol grip. SB Tactical SBX-K forearm brace for stabilizing recoil and enhance accuracy especially with one-handed shooting. Carbine "H" heavy tungsten buffer. GI Style charging handle. Enhanced M16 bolt carrier group, MPT tested and Melonite finished. Includes one 30-round Magpul PMAG Gen3 magazine. Weight without magazine is 5 pounds 8 ounces. Overall length is 26.5 inches. Made in the USA.
| Manufacturer | Springfield Armory
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| Model | ST975556B
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| UPC | 706397916893
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| Caliber | 223 Rem
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| Stock | 0
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| State restrictions | CA CO CT DC HI IL MA MD NJ NY OR
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| Availability | Out of stock |