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Otis brushes have a proprietary Tufcor® core wire that is corrosive-resistant with a tighter twist for better bristle retention and brush life.

Features: M4 Feedramps .250 takedown pin holes Comes stripped, with NO dust cover M4E1 Specific Details: Handguard mounting platform is forged into the receiver These uppers are not piston-kit compatible

UPC 706397956776 MPN HL916556B Brand Springfield Main Model Springfield Hellion Model Hellion Bullpup Caliber 223/5.56 Capacity 30+1 Features $1,999.00

Developed from the ground up and backed by knowledge gained from years of pushing the edge of muzzle device performance, the Hypertap muzzle brake delivers more than Precision Armament have ever offered before.

Features: M4 Feedramps .250 takedown pin holes Comes stripped, with NO dust cover M4E1 Specific Details: Handguard mounting platform is forged into the receiver These uppers are not piston-kit compatible

UPC 706397943967 MPN HP9201 Brand Springfield Main Model Springfield SA-35 Model SA-35 Caliber 9mm Capacity 15 Type Pistol Action Semi Auto

The Stern Defense SD Mod 5 9mm Upper Receivers are unique with handguards that extend beyond the end of the barrels. The 8.5” barreled upper has a 10” M-LOK free float handguard, and the 6” barreled upper has an 8” M-LOK free float handguard.

NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. For more information on colored anodizing visit our Knowledge Center.