Skip to main content
We may get paid by partner for deals, including promoted items

Menu

Trending
Top Brands Palmetto State ArmoryHot Yeti CoolerDeal NatchezDeal SitkaDeal 5.11Sale Winter Clearance Amazon Pickleball Sale Amazon FitnessHot Stores
Ar-15 M&P 45acp Conversion Adapter - Ar-15 Conversion Adapter For S&W .45acp Magazines by Stern Defense -

Product Description

A .45 ACP Magazine Adapter for Any Mil-Spec AR-15 Lower Receiver

Ar-15 M&P 45acp Conversion Adapter - Ar-15 Conversion Adapter For S&W .45acp Magazines

at Brownells.com
Browse all Brownells.com deals
$186.99
In Stock at Brownells.com
Buy Now at Brownells.com
Secure checkout Easy returns
or compare prices
Amazon logo Amazon eBay logo eBay

Product Details

Brand Stern Defense
Stern Defense

More from Stern Defense

Pyramyd Air
Last Updated:
Aug 30, 2026 02:16 AM
Stern Defense 45 ACP 16.10 Black Melonite Barrel 7075-T6 Aluminum Anodized Receiver Stern Defense 45 ACP 16.10 Black Melonite Barrel 7075-T6 Aluminum Anodized Receiver View Details
$624.12
Buy Now · $624.12
Pyramyd Air
Pyramyd Air
Last Updated:
Aug 30, 2026 02:16 AM
Stern Defense SD MOD4 15 M-LOK Handguard Stern Defense SD MOD4 15 M-LOK Handguard View Details
$119.99
Buy Now · $119.99
Pyramyd Air
Pyramyd Air
Last Updated:
Aug 30, 2026 02:16 AM
Stern Defense Upper Receiver Aluminum Anodized Receiver for AR15 Stern Defense Upper Receiver Aluminum Anodized Receiver for AR15 View Details
$109.00
Buy Now · $109.00
Pyramyd Air
Pyramyd Air
Last Updated:
Aug 30, 2026 02:16 AM
Stern Defense MOD4 8 Aircraft Grade Aluminum Anodized Receiver Stern Defense MOD4 8 Aircraft Grade Aluminum Anodized Receiver View Details
$95.99
Buy Now · $95.99
Pyramyd Air
KFF Defense
Last Updated:
Aug 30, 2026 01:52 AM
STERN DEFENSE 15-inch MOD5 M-LOK Black Melonite 45 ACP 16.10" Complete Upper Receiver Assembly STERN DEFENSE 15-inch MOD5 M-LOK Black Melonite 45 ACP 16.10" Complete Upper Receiver Assembly View Details
$624.12 $710.21
12% off
Buy Now · $624.12
KFF Defense
KFF Defense
Last Updated:
Aug 30, 2026 01:52 AM
STERN DEFENSE 015SD MOD5 M-LOK 8-inch Handguard Black .45 ACP 6-inch Barrel AR15 Upper Receiver Group STERN DEFENSE 015SD MOD5 M-LOK 8-inch Handguard Black .45 ACP 6-inch Barrel AR15 Upper Receiver Group View Details
$565.94 $644.15
12% off
Buy Now · $565.94
KFF Defense
DEGuns
Last Updated:
Aug 29, 2026 11:28 PM
Stern Defense 015SD15INCHMOD5MLOK161 45 ACP 16.10" Black Melonite Barrel 7075-T6 Aluminum Anodized Receiver Stern Defense 015SD15INCHMOD5MLOK161 45 ACP 16.10" Black Melonite Barrel 7075-T6 Aluminum Anodized Receiver View Details
$624.12
Buy Now · $624.12
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:28 PM
Stern Defense Ejector Replacement Kit Mag-AD Silver - 001MAGADEJECTORREPLACE Stern Defense Ejector Replacement Kit Mag-AD Silver - 001MAGADEJECTORREPLACE View Details
$9.09
Buy Now · $9.09
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:28 PM
Stern Defense Rifle Barrel, 16.10" Black Melonite 4150 Chrome Molly Steel Barrel 45 ACP - 00645ACPBARREL161INCHD Stern Defense Rifle Barrel, 16.10" Black Melonite 4150 Chrome Molly Steel Barrel 45 ACP - 00645ACPBARREL161INCHD View Details
$161.99
Buy Now · $161.99
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:28 PM
Stern Defense Rifle Barrel, 10.50" Black Melonite 4150 Chrome Molly Steel Barrel 45 ACP - 00645ACPBARREL105INCHD Stern Defense Rifle Barrel, 10.50" Black Melonite 4150 Chrome Molly Steel Barrel 45 ACP - 00645ACPBARREL105INCHD View Details
$151.99
Buy Now · $151.99
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:28 PM
Stern Defense Rifle Barrel, 16.10" Black Melonite 4150 Chrome Molly Steel Barrel 40 S&W - 00640SWBARREL161INCHD1 Stern Defense Rifle Barrel, 16.10" Black Melonite 4150 Chrome Molly Steel Barrel 40 S&W - 00640SWBARREL161INCHD1 View Details
$149.99
Buy Now · $149.99
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:28 PM
Stern Defense Handguard, 15" Aircraft Grade Aluminum Anodized Receiver for AR15 - 002SDHG15 Stern Defense Handguard, 15" Aircraft Grade Aluminum Anodized Receiver for AR15 - 002SDHG15 View Details
$119.99
Buy Now · $119.99
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:28 PM
Stern Defense MOD4 M-LOK handguard, 8" Aircraft Grade Aluminum Anodized Receiver - 002SDHG8 Stern Defense MOD4 M-LOK handguard, 8" Aircraft Grade Aluminum Anodized Receiver - 002SDHG8 View Details
$95.99
Buy Now · $95.99
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:28 PM
Stern Defense 45 ACP AR-15 Complete Upper Receiver Stern Defense 45 ACP AR-15 Complete Upper Receiver View Details
$556.99
Buy Now · $556.99
DEGuns
DEGuns
Last Updated:
Aug 29, 2026 11:28 PM
Stern Defense Mag-AD, Black Anodized Aluminum 45 ACP Fits AR-15 - 001SDMAGADMP45ACPM Stern Defense Mag-AD, Black Anodized Aluminum 45 ACP Fits AR-15 - 001SDMAGADMP45ACPM View Details
$186.99
Buy Now · $186.99
DEGuns
TLO Outdoors
Last Updated:
Aug 29, 2026 09:38 PM
Stern Defense MOD4 8 Inch Aircraft Grade Aluminum Anodized AR Handguard 002SDHG8 Stern Defense MOD4 8 Inch Aircraft Grade Aluminum Anodized AR Handguard 002SDHG8 View Details
$111.98
Buy Now · $111.98
TLO Outdoors
TLO Outdoors
Last Updated:
Aug 29, 2026 09:38 PM
Stern Defense 9mm AR-15/M16 PCC Bolt Assembly, Nickel Boron/Mag Phosphate 8620 Steel 004SDBU9NIBECHOD2M Stern Defense 9mm AR-15/M16 PCC Bolt Assembly, Nickel Boron/Mag Phosphate 8620 Steel 004SDBU9NIBECHOD2M View Details
$189.98 $195.99
3% off
Buy Now · $189.98
TLO Outdoors
MidwayUSA
Last Updated:
Aug 29, 2026 11:49 PM
Stern Defense AR-15 Magwell Adapter for Beretta 92 9mm Magazines Black Stern Defense AR-15 Magwell Adapter for Beretta 92 9mm Magazines Black View Details
$186.99
Buy Now · $186.99
MidwayUSA
MidwayUSA
Last Updated:
Aug 29, 2026 11:49 PM
Stern Defense AR-15 Magwell Adapter for Glock 9mm Magazines Black Stern Defense AR-15 Magwell Adapter for Glock 9mm Magazines Black View Details
$179.99
Buy Now · $179.99
MidwayUSA
MidwayUSA
Last Updated:
Aug 29, 2026 11:49 PM
Stern Defense H2S Hybrid AR-15 Two Stage Trigger Nickel Boron Stern Defense H2S Hybrid AR-15 Two Stage Trigger Nickel Boron View Details
$167.00
Buy Now · $167.00
MidwayUSA