APEX TACTICAL Apex Grade Semi Drop-In M&P Barrel - 4.25"

Sig Sauer Barrel 9mm 4.70" Fits P365/P365X/P365 X-Macro, Gold - Superior Accuracy - 8900791

True Precision Barrel 9mm 3.70" Fits Springfield Hellcat Pro, Stainless - Enhanced Accuracy - TP-SHCPB-X

Wilson Combat Match Grade Drop-In Barrel .45 ACP 4.60" Fits Glock Gen 3-4 G21, Stainless

Faxon Firearms Blowback Button Rifled Pistol Caliber Taper Barrel 9mm 16", Black

SPRINGFIELD ARMORY Echelon 4.0C 9mm 4in Black Factory Barrel (EC0901C-RET)

WILSON COMBAT Stainless Steel 5in Match 45 Gauge ACP Drop-In Barrel (33D)

Bond Arms Hand-Cannon Handgun Barrel 9mm 4.25"