STERN DEFENSE

Stern def.Barrel 9mm 6" 1/2-36" 1:10 melonite ar-15 FEATURES:Caliber: 9mmLength: 6 InchesThreaded 1/2-36Twist: 1:104150 Chrome-moly steelMelonite coatingMade in the U.S.A Other Features: Threaded...

Stern def.Trigger h2s 2 stage drop in ar-15 designed for pcc FEATURES:Standard mil-spec pin size Use for AR15 and AR106061 billet hous

Stern def.Magazine adapter ad9 s&w m&p/sig p320 9/40 mags FEATURES:Made in the U.S.A.Constructed from 6061 T6 aircraft grade aluminum4140 NiB coated feed rampHard coat anodized type 3Sturdy...

Stern def.Bolt.45acp bu45 for glock cut uppers/mags Other Features: Fits glock pattern uppers, for use with colt smg or glock magazines, compatible with standard ar15 charging handles mag-phosphate...

Stern def.Bolt 9mm bu9 nib echo for glock cut uppers/mags Other Features: Fits glock pattern uppers, for use with colt smg or glock magazines, compatible with standard ar15 charging handles nib...

Stern def.Barrel 9mm 4" 1/2-36" 1:10 melonite ar-15 FEATURES:Caliber: 9mmLength: 4 InchesThreaded 1/2-36Twist: 1:104150 Chrome-moly steelMelonite coatingMade in the U.S.A Other Features: Threaded...

Stern def.Barrel.45acp 6".578-28" 1:16 melonite ar-15 FEATURES:Caliber: 45ACPLength: 6 InchesThreaded .578-28Twist: 1:16 4150 Chrome-moly steelMelonite coatingMade in the U.S.A Other Features: ...

Stern def.Barrel.45acp 10.5".578-28" 1:16 melonite ar-15 FEATURES:Caliber: 45ACPLength: 10.5 InchesThreaded .578-281:16 TWIST4150 Chrome-moly steelMelonite coatingMade in the U.S.A Other Features: ...

Stern def.Barrel.45acp 8.5".578-28" 1:16 melonite ar-15 FEATURES:Caliber: 45ACPLength: 8.5 InchesThreaded .578-28Twist: 1:16 4150 Chrome-moly steelMelonite coatingMade in the U.S.A Other Features: ...

Stern def.Barrel.45acp 4".578-28" 1:16 melonite ar-15 FEATURES:Caliber: 45ACPLength: 4 InchesThreaded .578-28Twist: 1:16 4150 Chrome-moly steelMelonite coatingMade in the U.S.A Other Features: ...

Stern def.Barrel 9mm 8.5" 1/2-36" 1:10 melonite ar-15 FEATURES:Caliber: 9mmLength: 8.5 InchesThreaded 1/2-36Twist: 1:104150 Chrome-moly steelMelonite coatingMade in the U.S.A Other Features: ...