Stern Defense, Llc: Compare Prices & Find the Best Deals

Current Deals & Offers

Vance Outdoors Updated Oct 12, 2026

Stern Defense Rapid Attach Buttstock Adapter for Picatinny Rail AR-Platform Firearms

$105.97

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Vance Outdoors Updated Oct 12, 2026

Stern Defense Rapid Attach Buttstock Adapter for AR-Platform Firearms

$95.97

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GrabAGun Updated Oct 11, 2026

Stern Defense Mag-AD9 Magazine Adapter for Glock 9mm / .40 SW for AR-15

$179.99

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GrabAGun Updated Oct 11, 2026

Stern Defense Bolt Assembly Manganese Phosphate .45 ACP for AR15/M16

$150.65

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GrabAGun Updated Oct 11, 2026

Stern Defense MOD4 8 Barrel

$95.99

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GrabAGun Updated Oct 11, 2026

Stern Defense Mag-AD Flared Magwell for AR-15

$73.00

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GrabAGun Updated Oct 11, 2026

Stern Defense Mag-AD9 Magazine Adapter 9mm / .40 SW for Sig Sauer P320/P250

$186.99

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GrabAGun Updated Oct 11, 2026

Stern Defense H2S Drop In Trigger Green for AR10/AR15

$167.00

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GrabAGun Updated Oct 11, 2026

Stern Defense Rapid Attach Buttstock Adapter for AR-15

$139.99

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GrabAGun Updated Oct 11, 2026

4% OFF

Stern Defense Mod5 Complete Upper 9mm 8.5 Threaded Barrel 10 M-LOK Handguard

$498.56 $518.46

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GrabAGun Updated Oct 11, 2026

4% OFF

Stern Defense MOD4 Complete Upper Anodized 9mm 4 Barrel MLOK Handguard

$443.48 $463.48

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GrabAGun Updated Oct 11, 2026

3% OFF

Stern Defense Complete Upper .45 ACP 6 Barrel M-LOK Handguard

$555.12 $575.12

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GrabAGun Updated Oct 11, 2026

Stern Defense AR-15 Mag-AD Magazine Adapter .45 ACP

$186.99

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GrabAGun Updated Oct 11, 2026

Stern Defense Bolt NIB/Mag Phosphate Silver 9mm 8620 for AR15/M16

$169.99

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GrabAGun Updated Oct 11, 2026

Stern Defense Barrel .45 ACP 16.1 Threaded Barrel

$161.99

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GrabAGun Updated Oct 11, 2026

Stern Defense Barrel .45 ACP 10.5 Threaded Barrel

$151.99

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GrabAGun Updated Oct 11, 2026

Stern Defense RAB-AD Rapid Attach Buttstock Adapter for Picatinny Rail

$139.99

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GrabAGun Updated Oct 11, 2026

Stern Defense 9mm Bolt for AR15/M16

$129.99

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Pyramyd Air Updated Oct 11, 2026

Stern Defense H2S Drop-In Trigger

$167.00

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Firearms Depot Updated Oct 11, 2026

Stern Defense Stern Def. Barrel .45acp 8.5" - .578-28" 1:16 Melonite Ar-15

$141.99

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Shooting Surplus Updated Oct 11, 2026

Stern Defense 9mm BU9 NIB AR-15 Bolt Nickle-Boron Finish

$163.73

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Shooting Surplus Updated Oct 11, 2026

Stern Defense BU9 9mm AR15 Bolt MagPhosphate Finish Glock Colt Compatible

$124.67

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TLO Outdoors Updated Oct 11, 2026

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

$148.98 $149.23

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Pyramyd Air Updated Oct 11, 2026

Stern Defense 45 ACP 16.10 Black Melonite Barrel 7075-T6 Aluminum Anodized Receiver

$624.12

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Pyramyd Air Updated Oct 11, 2026

Stern Defense SD MOD4 15 M-LOK Handguard

$119.99

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Pyramyd Air Updated Oct 11, 2026

Stern Defense Upper Receiver Aluminum Anodized Receiver for AR15

$109.00

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Pyramyd Air Updated Oct 11, 2026

Stern Defense MOD4 8 Aircraft Grade Aluminum Anodized Receiver

$95.99

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KFF Defense Updated Oct 11, 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 Oct 11, 2026

14% OFF

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

$555.12 $644.15

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DEGuns Updated Sep 30, 2026

Stern Defense 015SD15INCHMOD5MLOK161 45 ACP 16.10" Black Melonite Barrel 7075-T6 Aluminum Anodized Receiver

$624.12

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DEGuns Updated Sep 30, 2026

Stern Defense Ejector Replacement Kit Mag-AD Silver - 001MAGADEJECTORREPLACE

$9.09

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DEGuns Updated Sep 30, 2026

Stern Defense Rifle Barrel, 16.10" Black Melonite 4150 Chrome Molly Steel Barrel 45 ACP - 00645ACPBARREL161INCHD

$161.99

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DEGuns Updated Sep 30, 2026

Stern Defense Rifle Barrel, 10.50" Black Melonite 4150 Chrome Molly Steel Barrel 45 ACP - 00645ACPBARREL105INCHD

$151.99

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DEGuns Updated Sep 30, 2026

Stern Defense Rifle Barrel, 16.10" Black Melonite 4150 Chrome Molly Steel Barrel 40 S&W - 00640SWBARREL161INCHD1

$149.99

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DEGuns Updated Sep 30, 2026

Stern Defense Handguard, 15" Aircraft Grade Aluminum Anodized Receiver for AR15 - 002SDHG15

$119.99

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DEGuns Updated Sep 30, 2026

Stern Defense 45 ACP AR-15 Complete Upper Receiver

$556.99

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DEGuns Updated Sep 30, 2026

Stern Defense Mag-AD, Black Anodized Aluminum 45 ACP Fits AR-15 - 001SDMAGADMP45ACPM

$186.99

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TLO Outdoors Updated Oct 11, 2026

Stern Defense MOD4 8 Inch Aircraft Grade Aluminum Anodized AR Handguard 002SDHG8

$111.98

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TLO Outdoors Updated Oct 11, 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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MidwayUSA Updated Oct 11, 2026

Stern Defense AR-15 Magwell Adapter for Beretta 92 9mm Magazines Black

$186.99

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MidwayUSA Updated Oct 11, 2026

Stern Defense AR-15 Magwell Adapter for Glock 9mm Magazines Black

$179.99

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MidwayUSA Updated Oct 11, 2026

Stern Defense RAB-AD Mini Rapid AR-15 Stock Adapter

$139.99

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MidwayUSA Updated Oct 11, 2026

Stern Defense RAB-AD Rapid AR-15 Stock Adapter

$139.99

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MidwayUSA Updated Oct 11, 2026

Stern Defense AR-15 Magwell Flare for Magwell Adapters Black

$73.00

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MidwayUSA Updated Oct 11, 2026

Stern Defense AR-15 SD 15 MOD5 Complete Upper Receiver 45ACP 16.1" M-LOK

$624.12

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MidwayUSA Updated Oct 11, 2026

Stern Defense AR-15 SD 10 MOD5 Complete Upper Receiver 9mm Luger 8.5" M-LOK

$498.56

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MidwayUSA Updated Oct 11, 2026

Stern Defense H2S Hybrid 2 Stage Drop In Trigger

$137.00

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MidwayUSA Updated Oct 11, 2026

Stern Defense 9mm Bolt Replacement Kit

$29.99

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MidwayUSA Updated Oct 11, 2026

Stern Defense Glock Magazine AR-15 Bolt Carrier Group 9mm Luger NiB

$169.99

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MidwayUSA Updated Oct 11, 2026

13% OFF

Stern Defense Glock Magazine AR-15 Bolt Carrier Group 45 ACP Black

$130.92 $150.65

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MidwayUSA Updated Oct 11, 2026

Stern Defense Glock Magazine AR-15 Bolt Carrier Group 40 S&W Black

$142.65

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MidwayUSA Updated Oct 11, 2026

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

$443.48

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TLO Outdoors Updated Oct 11, 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 Oct 11, 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 Oct 11, 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 Oct 11, 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 Oct 11, 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 Oct 11, 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 Oct 11, 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 Oct 11, 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 Oct 11, 2026

Stern Defense 15 in M-LOK Free-Float Handguard for AR-15, Anodized Aluminum, 002SDHG15

$134.39

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TLO Outdoors Updated Oct 11, 2026

Stern Defense AR-15 Upper Receiver 7075-T6 Hardcoat Anodized, Flat Top 010UPPERRECIEVERKKP

$124.98

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TLO Outdoors Updated Oct 11, 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 Oct 11, 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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TLO Outdoors Updated Oct 11, 2026

Stern Defense Mag-AD Magazine Add-On Flare, Delrin Matte Finish, 001SDMAGADDFLARE

$75.25

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Optics Planet Updated Oct 11, 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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Optics Planet Updated Oct 11, 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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Palmetto State Armory Updated Oct 11, 2026

Stern Defense AR15 Mag Well Adapter for Beretta 92 Mags - MAG-ADB92

$186.99

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Palmetto State Armory Updated Oct 11, 2026

Stern Defense Bolt Replacement Kit 9mm Fits Stern Defense SD BU9, Black

$34.39

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Palmetto State Armory Updated Oct 11, 2026

10% OFF

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

$210.99 $234.99

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Primary Arms Updated Oct 11, 2026

Stern Defense MAG-ADMP9&40

$166.55

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Primary Arms Updated Oct 11, 2026

Stern Defense MAG-AD9

$179.99

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Palmetto State Armory Updated Oct 11, 2026

Stern Defense RAB-AD Mini Buttstock Adapter, Black

$71.99

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Shooting Surplus Updated Oct 11, 2026

Stern Defense 002SDHG15 15" Aircraft Grade Aluminum Anodized Receiver for AR15

$112.27

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Shooting Surplus Updated Oct 11, 2026

Stern Defense 002SDHG8 8" Aircraft Grade Aluminum Anodized Receiver

$89.81

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