Stern Defense

Stern def.Barrel 9mm 6" 1/2-36" 1:10 melonite ar-15

FEATURES:
Caliber: 9mm
Length: 6 Inches
Threaded 1/2-36
Twist: 1:10
4150 Chrome-moly steel
Melonite coating
Made in the U.S.A

Other Features: Threaded 1/2-36, 1:10 twist, 4150 chrome-molly steel, melonite coating

Stern def.Magazine adapter ad9 ar-15 to glock 9/40 mags

FEATURES:
Made in the U.S.A.
Constructed from 6061 T6 aircraft grade aluminum
4140 NiB coated feed ramp
Hard coat anodized type 3
Sturdy Construction
Ergonomic mag release
Works with all generations of Glock magazines
Works with any mil spec ar15 lower receiver
All gun components besides the Bolt and Barrel remain stock

Other Features: Must be used with a 5.4 ounce buffer or heavier when using a carbine spring.Buffer not included.Allows standard mil-spec ar-15 lowers to accept 9mm and 40s&w glock magazines, requires a glock cut bolt

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 mag-phosphate finish

Stern def.Upper 9mm 16.1" 15" m-lok handguard black

FEATURES:
Caliber: 9mm
Twist: 1:10"
Barrel Length: 16.1"
Threaded: .5-36
Charging Handle Laser engraved
Made in U.S.A.

Other Features: Complete upper includes bolt, 15" mod 4 m-lok handguard, glock cut upper ready for glock cut lowers or for use with stern adapters

Stern def.Pistol upper 9mm 8.5" bbl.10" m-lok rail

FEATURES:
Caliber: 9mm
Twist: 1:10"
Barrel Length: 8.5"
Threaded: .5-36
Charging handle Laser engraved
Made in U.S.A.

Other Features: Complete upper includes bolt, 10" mod 5 m-lok handguard, glock cut upper ready for glock cut lowers or for use with stern adapters sd hbc 9mm blast can

Stern def.Pistol upper 9mm 6" bbl.8" m-lok rail

FEATURES:
Caliber: 9mm
Twist: 1:10"
Barrel Length: 6"
Threaded: .5-36
Charging handle Laser engraved
Made in U.S.A.

Other Features: Complete upper includes bolt, 8" mod 5 m-lok handguard, glock cut upper ready for glock cut lowers or for use with stern adapters sd hbc 9mm blast can

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 finish

Stern def.Pistol upper 9mm 4" bbl.4" m-lok rail

FEATURES:
Caliber: 9mm
Twist: 1:10"
Barrel Length: 4"
Threaded: .5-36
Charging handle Laser engraved
Made in U.S.A.

Other Features: Complete upper includes bolt, 4" mod 4 m-lok handguard, glock cut upper ready for glock cut lowers or for use with stern adapters sd mbc 9mm blast can

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 aluminum
4140 NiB coated feed ramp
Hard coat anodized type 3
Sturdy Construction
Ergonomic mag release
Works with all generations of M&P magazines
Works with P320 and P250 magazines
Works with any mil spec ar15 lower receiver
All gun components besides the Bolt and Barrel remain stock

Other Features: Must be used with a 5.4 ounce buffer or heavier when using a carbine spring.Buffer not included.Allows standard mil-spec ar-15 lowers to accept 9mm and 40s&w s&w m&p series and sig p320/p250 magazines, requires a glock cut bolt

Stern def.Trigger h2s 2 stage drop in ar-15 designed for pcc

FEATURES:
Standard mil-spec pin size
Use for AR15 and AR10
6061 billet housing
Trigger and disconnect machined from A2 tool steel bar stock
Hammer machined from S7 shock resistant steel bar stock
Semi flat trigger bow
Cold Nitride Finish

Other Features: 2 stage drop-in trigger, smooth 2lb first stage, positive 4lb second stage, semi flat tigger bow

Stern def.Barrel.45acp 4".578-28" 1:16 melonite ar-15

FEATURES:
Caliber: 45ACP
Length: 4 Inches
Threaded .578-28
Twist: 1:16
4150 Chrome-moly steel
Melonite coating
Made in the U.S.A

Other Features: Threaded.578-28, 1:16 twist, 4150 chrome-molly steel, melonite coating this must be used with a 11 ounce buffer or heavier when using a carbine spring,.45acp uppers require an enlarged ejection port

Stern def.Barrel 9mm 8.5" 1/2-36" 1:10 melonite ar-15

FEATURES:
Caliber: 9mm
Length: 8.5 Inches
Threaded 1/2-36
Twist: 1:10
4150 Chrome-moly steel
Melonite coating
Made in the U.S.A

Other Features: Threaded 1/2-36, 1:10 twist, 4150 chrome-molly steel, melonite coating

Stern def.Barrel 9mm 10.5" 1/2-36" 1:10 melonite ar-15

FEATURES:
Caliber: 9mm
Length: 10.5 Inches
Threaded .5-36
Twist: 1:10
4150 Chrome-moly steel
Melonite coating
Made in the U.S.A

Other Features: Threaded 1/2-36, 1:10 twist, 4150 chrome-molly steel, melonite coating

Stern def.Barrel.45acp 16.1".578-28" 1:16 melonite ar-15

FEATURES:
Caliber: 45ACP
Length: 16.1 Inches
Threaded .578-28
1:16 TWIST
4150 Chrome-moly steel
Melonite coating
Made in the U.S.A

Other Features: Threaded.578-28, 1:16 twist, 4150 chrome-molly steel, melonite coating this must be used with a 11 ounce buffer or heavier when using a carbine spring,.45acp uppers require an enlarged ejection port

Stern def.Barrel.45acp 10.5".578-28" 1:16 melonite ar-15

FEATURES:
Caliber: 45ACP
Length: 10.5 Inches
Threaded .578-28
1:16 TWIST
4150 Chrome-moly steel
Melonite coating
Made in the U.S.A

Other Features: Threaded.578-28, 1:16 twist, 4150 chrome-molly steel, melonite coating this must be used with a 11 ounce buffer or heavier when using a carbine spring,.45acp uppers require an enlarged ejection port

Stern def.Barrel 9mm 16.1" 1/2-36" 1:10 melonite ar-15

FEATURES:
Caliber: 9mm
Length: 16.1 Inches
Threaded .5-36
Twist: 1:10
4150 Chrome-moly steel
Melonite coating
Made in the U.S.A

Other Features: Threaded 1/2-36, 1:10 twist, 4150 chrome-molly steel, melonite coating

Stern def.Barrel 9mm 4" 1/2-36" 1:10 melonite ar-15

FEATURES:
Caliber: 9mm
Length: 4 Inches
Threaded 1/2-36
Twist: 1:10
4150 Chrome-moly steel
Melonite coating
Made in the U.S.A

Other Features: Threaded 1/2-36, 1:10 twist, 4150 chrome-molly steel, melonite coating

Stern def.Barrel.45acp 8.5".578-28" 1:16 melonite ar-15

FEATURES:
Caliber: 45ACP
Length: 8.5 Inches
Threaded .578-28
Twist: 1:16
4150 Chrome-moly steel
Melonite coating
Made in the U.S.A

Other Features: Threaded.578-28, 1:16 twist, 4150 chrome-molly steel, melonite coating this must be used with a 11 ounce buffer or heavier when using a carbine spring,.45acp uppers require an enlarged ejection port

Stern def.Barrel.45acp 6".578-28" 1:16 melonite ar-15

FEATURES:
Caliber: 45ACP
Length: 6 Inches
Threaded .578-28
Twist: 1:16
4150 Chrome-moly steel
Melonite coating
Made in the U.S.A

Other Features: Threaded.578-28, 1:16 twist, 4150 chrome-molly steel, melonite coating this must be used with a 11 ounce buffer or heavier when using a carbine spring,.45acp uppers require an enlarged ejection port