Results for: Stern Defense

Current Deals & Offers

Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense AR-15 Mag Well Adapter for M&P 9mm/40S&W, Black- MAG-ADMP9&40

$187.99 $208.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense Nickel Boron 9mm Complete Bolt Carrier Group - SD BU9 NiB ECHO

$170.99 $189.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense Hybrid 2 Stage Nickel Boron Drop In Trigger- H2S NIB

$167.99 $186.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense .45 ACP Complete Bolt Carrier Group, Melonite

$150.99 $167.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense 9mm Complete Bolt Carrier Group, Mag-Phosphate Finish - SD BU9

$146.99 $163.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense AR-15 Mag Well Adapter for 9mm Glock, Black- MAG-AD9

$202.99 $225.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense MOD5 MLOK 16.1" 45 ACP AR-15 Complete Upper

$593.99 $659.99

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Palmetto State Armory Updated Sep 06, 2026

9% OFF

Stern Defense Barrel .45 ACP 16.10", Black

$156.99 $172.99

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Palmetto State Armory Updated Sep 06, 2026

9% OFF

Stern Defense Assembled Upper Receiver, Black

$104.99 $115.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense RAB-AD MINI (Rapid Attach Buttstock Adapter Mini)

$140.99 $155.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense RAB-AD PIC RAIL (Rapid Attach Buttstock Adapter for Pic Rail)

$140.99 $156.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense RAB-AD Rapid Attach Buttstock Adapter

$140.99 $156.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense RAB-AD Buttstock Adapter Male Assembly, Black

$71.99 $79.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense SD BU9 Semi-Auto Only Complete Bolt 9mm, Black

$146.99 $163.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense MAG-ADB92 AR-15/M4/M16 Magazine Conversion Adapter Beretta 92 9mm Black 001-SD MAG-AD-B92-9MM-M

$173.89 $186.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense MAG-AD FLARE Magazine Well Adapter Black 001-SD MAG-ADD-FLARE

$67.89 $73.00

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense MAG-AD9 AR-15/M4/M16 Magazine Conversion Adapter Glock 9mm/.40S&W Black 001-SD MAG-AD9-9AND40-M

$167.39 $179.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense MAG-ADMP45 AR-15/M4/M16 Magazine Conversion Adapter M&P .45 ACP Black 001-SD MAG-AD-MP-45ACP-M

$173.90 $186.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense SD CB9 MOD2 Muzzle Device Black 003-SD CB9 MOD2-D2-MA

$52.99 $56.99

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Optics Planet Updated Sep 06, 2026

10% OFF

Stern Defense SD FH9 MOD1 Muzzle Device Black 03-SD FH9-MOD1-M

$40.49 $44.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense SD AR15 Barrel .45acp 10.5in Black ACPBRL05INCHD

$141.35 $151.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense SD AR15 Barrel .45acp 6in Black ACPBRLINCHDA

$122.75 $131.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense SD AR15 Barrel 9mm 85in Black BRL85INCHDA

$111.59 $119.99

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Optics Planet Updated Sep 06, 2026

10% OFF

Stern Defense SD AR15 Barrel 9mm 161in Black BRLINCHD2

$125.10 $139.00

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense SD AR15 Barrel .45acp 4in Black ACPBRLINCHD1

$99.51 $107.00

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Optics Planet Updated Sep 06, 2026

10% OFF

Stern Defense SD AR15 Barrel 9mm 105in Black BRL05INCHDA

$116.99 $129.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense SD RBC45 Muzzle Device Black 003-SD RBC45-D1-M

$36.26 $38.99

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Optics Planet Updated Sep 06, 2026

10% OFF

Stern Defense SD HBC45 Muzzle Device Black 003-SD HBC45-D1-M

$35.99 $39.99

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Optics Planet Updated Sep 06, 2026

10% OFF

Stern Defense SD HBC9 Muzzle Device Black 003-SD HBC9-D1-M

$33.29 $36.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense 9mm Bolt Replacement Kit Black BOLTREPK

$27.89 $29.99

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Optics Planet Updated Sep 06, 2026

12% OFF

Stern Defense SD 16.1in MOD4 MLOK .40SW Upper Receiver Assembly 15in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD15INMD4ML16.1INBR40SWKK

$539.99 $614.12

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Optics Planet Updated Sep 06, 2026

11% OFF

Stern Defense AR-15 Upper Receiver .45 ACP 16.1in Barrel 15in MLOK Rail SD BU45 Bolt SD CH1 Charging Handle SD CB45 Comp Break Black

$533.79 $603.11

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Optics Planet Updated Sep 06, 2026

10% OFF

Stern Defense SD 6in MOD5 MLOK .45ACP Upper Receiver Assembly 8in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD8INMD5ML6INBR45ACPKK

$511.49 $570.12

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Optics Planet Updated Sep 06, 2026

10% OFF

Stern Defense SD 8.5in MOD5 .40SW Upper Receiver Assembly 10in M-LOK Handguard .578-28 TPI 1-16 Twist Rate Black 015SD10INMD5ML8.5INBR40SWKK

$497.55 $555.12

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Optics Planet Updated Sep 06, 2026

12% OFF

Stern Defense AR-15 Upper Receiver 9mm 16.1in Barrel 15in MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SCB 9 Comp Break Black 015-SD15INCHMOD4-KK

$480.99 $544.45

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense AR-15 10in Upper Receiver 8.5in 9mm Barrel MLOK Rail SD BU9 Bolt SD CH1 Charging Handle SD HBC Blast Can Black 015-SD10INCHMOD5-KK

$452.63 $486.45

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Optics Planet Updated Sep 06, 2026

9% OFF

Stern Defense SD 4in Mod4 M-Lok 4in Barrel 9mm Black Complete Upper Receiver Black SDINBRLKK

$389.92 $429.27

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense SD BU9 NiB ECHO Bolt Carrier AR-15 Glock-Pattern Upper Receiver 9mm Sliver 004-SD BU9-NiB-ECHO-D2-M

$158.09 $169.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense HS2 Hybrid 2 Stage NiB Drop In Trigger Green / Silver

$155.31 $167.00

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense SD BU45 Bolt Carrier AR-15 Glock-Pattern Upper Receiver .45 ACP Black 004-SD BU45-D1-M

$139.99 $150.65

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Optics Planet Updated Sep 06, 2026

34% OFF

Stern Defense H2S Hybrid 2 Stage Drop In Trigger Green / Black

$137.99 $207.55

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense SD .40SW AR-15 Barrel 8.5in .578-28 TPI 1-16 Twist Rate Black BR8.5IN-D1-M

$120.89 $129.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense SD BU9 Bolt Carrier AR-15 Glock-Pattern Upper Receiver 9mm Black 004-SD BU9-D1-M

$120.89 $129.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense SD .40SW AR-15 Barrel 4in .578-28 TPI 1-16 Twist Rate Black BR4IN-D1-M

$89.99 $97.00

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense SD MOD4 M-Lok Handguards 8in Black 002-SD HG8 MOD4-M

$79.97 $85.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense MAG-ADMP9&40/P320 AR-15/M4/M16 Magazine Conversion Adapter M&P 9mm/.40S&W Black 001-SD MAG-AD-9AND40-M

$173.90 $186.99

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Optics Planet Updated Sep 06, 2026

5% OFF

Stern Defense RAB-AD Series Rapid Attach Buttstock Adapter Black 008-SD RAB-AD-D1-M

$132.99 $139.95

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Optics Planet Updated Sep 06, 2026

10% OFF

Stern Defense RAB-AD Rapid Attach Buttstock Adapter for Pic Rail Black 008-SD RAB-AD-PIC RAIL-D1-M

$125.99 $139.99

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Optics Planet Updated Sep 06, 2026

7% OFF

Stern Defense RAB-AD Male Assembly Black 008-SD RAB-AD MALE-D2-M

$68.36 $73.50

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Optics Planet Updated Sep 06, 2026

10% OFF

Stern Defense RAB-AD Mini Male Assembly Black 008-SD RAB-AD MINI MALE-D1-M

$66.15 $73.50

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense Mod 4 Free Float/M-LOK Handguard 8", Black

$96.99 $107.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense RAB-AD Mini Buttstock Adapter, Black

$71.99 $79.99

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Palmetto State Armory Updated Sep 06, 2026

10% OFF

Stern Defense AR15 Mag Well Adapter for M&P .45ACP Mags - MAG-ADMP45

$210.99 $234.99

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Optics Planet Updated Sep 06, 2026

3% OFF

Stern Defense Open Box Dealer Demo Stern Defense SD FH9 MOD1 Muzzle Device Black

$43.49 $44.99

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Optics Planet Updated Sep 06, 2026

9% OFF

Stern Defense Open Box Dealer Demo Stern Defense SD HBC45 Muzzle Device Black 003-SD HBC45-D1-M

$36.49 $39.99

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TLO Outdoors Updated Sep 06, 2026

1% OFF

Stern Defense Rapid Attach Mini Buttstock Adapter for AR Platforms, 7075 Aluminum/Steel - 008SDRABADMINID1M

$154.98 $156.79

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TLO Outdoors Updated Sep 06, 2026

9% OFF

Stern Defense .45 ACP Complete Upper, 16.1in Melonite Barrel, 15in M-LOK Rail 015SD15INCHMOD5MLOK161

$642.98 $710.21

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TLO Outdoors Updated Sep 06, 2026

9% OFF

Stern Defense 8in Mod 5 M-LOK .45 ACP Upper Assembly, 6in Black Melonite Barrel 015SD8INCHMOD5MLOK6INC

$584.98 $644.15

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TLO Outdoors Updated Sep 06, 2026

2% OFF

Stern Defense H2S Green Drop-In Trigger for AR-10/AR-15 Rifles, Aluminum Housing 009H2SNIBD1M

$182.98 $187.60

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TLO Outdoors Updated Sep 06, 2026

2% OFF

Stern Defense .45 ACP AR-15 Barrel 16.10in 4150 Chrome Moly Steel Black Melonite 00645ACPBARREL161INCHD

$177.98 $182.00

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TLO Outdoors Updated Sep 06, 2026

2% OFF

Stern Defense .45 ACP AR-15/M16 Bolt Assembly, 8620 Steel Mag-Phosphate Finish 004SDBU45D1M

$169.98 $172.94

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TLO Outdoors Updated Sep 06, 2026

2% OFF

Stern Defense .45 ACP 10.5in AR-15 Barrel, 4150 Chrome Moly, Melonite, Threaded 00645ACPBARREL105INCHD

$167.98 $170.80

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TLO Outdoors Updated Sep 06, 2026

1% OFF

Stern Defense RAB-AD Rapid Attach Buttstock Adapter for Picatinny Rail, Black 008SDRABADPICRAILD1M

$154.98 $156.79

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TLO Outdoors Updated Sep 06, 2026

3% OFF

Stern Defense Mag-AD9 AR-15 Magwell Adapter for 9mm/.40 S&W Sig P320/P250 001SDMAGADMP9AND40/P32

$197.98 $204.55

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TLO Outdoors Updated Sep 06, 2026

3% OFF

Stern Defense Mag-AD .45 ACP M&P Magazine Adapter for AR-15 Lowers, Last Round Hold Open 001SDMAGADMP45ACPM

$197.98 $204.55

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MidwayUSA Updated Sep 06, 2026

10% OFF

Stern Defense AR-15 SD 4 MOD4 Complete Upper Receiver 9mm Luger 4" M-LOK

$399.02 $443.48

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TLO Outdoors Updated Sep 06, 2026

3% OFF

Stern Defense 9mm AR-15/M16 PCC Bolt Assembly, Nickel Boron/Mag Phosphate 8620 Steel 004SDBU9NIBECHOD2M

$189.98 $195.99

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KFF Defense Updated Sep 06, 2026

12% OFF

Stern Defense 15-inch MOD5 M-LOK Black Melonite 45 ACP 16.10" Complete Upper Receiver Assembly

$624.12 $710.21

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KFF Defense Updated Sep 06, 2026

12% OFF

Stern Defense 015SD MOD5 M-LOK 8-inch Handguard Black .45 ACP 6-inch Barrel AR15 Upper Receiver Group

$565.94 $644.15

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TLO Outdoors Updated Sep 06, 2026

Stern Defense 9mm Bolt Assembly Mag-Phosphate 8620 AISI Steel for AR15/M16 004SDBU9D1M

$148.98 $149.23

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