MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel |

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MPA + Firearms MPA Firearms MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel MPA + Firearms MPA Firearms + Handguns MPA Handguns MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

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Image of MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

Image of MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

Image of MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

Image of MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

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MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

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MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

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MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

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MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

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This page is for information purpose only

OpticsPlanet, Inc. does not currently sell this specific item regulated under the National Firearms Act (NFA).

Product Info for MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

This is our new 9mm Pistol based on the 30sst, but includes a fully machined aluminum pistol grip that accepts Glock Magazines. (accepts 17 and 33rd mags only)

The grip is our most ergonomically designed grip system incorporating a Solidworks designed profile allowing the use of standard Glock style magazines, with a low profile magazine release and Decal Grip grip panels.

The pistol also includes additional upgraded features such as adjustable front and rear sights, plus Cerakote Black coating.

Specifications for MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel:

Manufacturer:	MPA
Gun Make:	MasterPiece Arms
Gun Model:	Masterpiece Arms MPA30
Gun Type:	Semi-Automatic Pistol
Caliber:	9mm Luger
Barrel Length:	4.5 in
Material:	Aluminum
Action Type:	Blowback
Trigger Action:	Single-Action (SA)
Weight:	57 oz
Firearm Frame Color:	Black
Magazine Included:	Yes
Firearms Threads Per Inch:	1/2x28
Trigger Type:	Single-Stage
Number of Magazines Included:	1

Features of MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

Side Cocker, Scope Mount
one (1) 30 Round Polymer Magazine
one (1) Standard Safety Extension
Lower Receiver Mounted Short Rail
Adjustable Rear Sight
Thread Size: 1/2X28
American Made
Ships in Gun Case
Aluminum Lower Receiver
Machined Aluminum Grip
Lifetime Guarantee

Package Contents:

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

What firearm models does the manufacturer say MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel is compatible with?

The manufacturer suggests that MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel is compatible with Masterpiece Arms MPA30

Ammunition

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Norma Range Training FMJ 9mm Luger 124 grain Full Metal Jacket Brass Cased Centerfire Pistol Ammo, 50 Rounds, 620340050

Norma Range Training FMJ 9mm Luger 124 grain Full Metal Jacket Brass Cased Centerfire Pistol Ammo, 50 Rounds, 620340050

List: $24.99 (Save 40%)

Freedom Munitions 9mm Luger 124 Grain Round Nose Brass Pistol Ammunition

Freedom Munitions 9mm Luger 124 Grain Round Nose Brass Pistol Ammunition

As Low As (Save Up to 24%)

$0.31 - $0.36/Round

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Fiocchi 9mm Luger 0 Grain Brass Blank Ammo, 50 Rounds, 9MMBLANK

Fiocchi 9mm Luger 0 Grain Brass Blank Ammo, 50 Rounds, 9MMBLANK

List: $40.99 (Save 27%)

Freedom Munitions HUSH Subsonic 9mm Luger 147 Grain Round Nose Brass Pistol Ammo, 50 Rounds, FMH9R147N50

Freedom Munitions HUSH Subsonic 9mm Luger 147 Grain Round Nose Brass Pistol Ammo, 50 Rounds, FMH9R147N50

List: $24.19 (Save 17%)

Super Vel Ammunition 1250 9mm Luger 115 grain Solid Copper Hollow Point Brass Cased Pistol Ammunition

Super Vel Ammunition 1250 9mm Luger 115 grain Solid Copper Hollow Point Brass Cased Pistol Ammunition

As Low As (Save Up to 12%)

$1.23 - $1.27/Round

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Super Vel Ammunition 1000 9mm Luger 115 grain Solid Copper Hollow Point Brass Cased Pistol Ammunition

Super Vel Ammunition 1000 9mm Luger 115 grain Solid Copper Hollow Point Brass Cased Pistol Ammunition

As Low As (Save Up to 12%)

$1.27 - $1.32/Round

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Freedom Munitions 9mm Luger 124 Grain Hollow Point Brass Pistol Ammunition

Freedom Munitions 9mm Luger 124 Grain Hollow Point Brass Pistol Ammunition

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$0.33 - $0.37/Round

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Barnes 9mm Luger 147 Grain Suppressor JHP Brass Rifle Ammo, 20 Rounds, SUP9MM2

Barnes 9mm Luger 147 Grain Suppressor JHP Brass Rifle Ammo, 20 Rounds, SUP9MM2

Freedom Munitions 9mm Luger 115 Grain Round Nose Brass Pistol Ammunition

Freedom Munitions 9mm Luger 115 Grain Round Nose Brass Pistol Ammunition

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$0.31 - $0.35/Round

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Federal Premium 9 mm Luger 147 Grain HST Jacketed Hollow Point Nickel Plated Brass Pistol Ammunition

Federal Premium 9 mm Luger 147 Grain HST Jacketed Hollow Point Nickel Plated Brass Pistol Ammunition

Price After Rebate As Low As

$0.80 - $1.48/Round

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Umarex 9MM Blanks, For use with 9mm PAK self loading replica's only, 50 Round Box 2252753

Umarex 9MM Blanks, For use with 9mm PAK self loading replica's only, 50 Round Box 2252753

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Freedom Munitions 9mm Luger 135 Grain Hollow Point Brass Pistol Ammunition

Freedom Munitions 9mm Luger 135 Grain Hollow Point Brass Pistol Ammunition

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$0.33 - $0.34/Round

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Sellier & Bellot 9mm Luger 124 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, SB9B

Sellier & Bellot 9mm Luger 124 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, SB9B

List: $16.79 (Save 17%)

Super Vel Ammunition 9mm Luger 100 grain Full Metal Jacket Brass Cased Pistol Ammunition

Super Vel Ammunition 9mm Luger 100 grain Full Metal Jacket Brass Cased Pistol Ammunition

As Low As (Save Up to 21%)

$0.37 - $0.40/Round

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Super Vel Ammunition 9mm Luger 147 grain Full Metal Jacket Brass Cased Pistol Ammunition

Super Vel Ammunition 9mm Luger 147 grain Full Metal Jacket Brass Cased Pistol Ammunition

As Low As (Save Up to 43%)

$0.43 - $0.46/Round

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Magtech 9mm Luger 115 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, 9A

Magtech 9mm Luger 115 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, 9A

List: $16.79 (Save 17%)

Freedom Munitions 9mm Luger 147 Grain Hollow Point Brass Pistol Ammunition

Freedom Munitions 9mm Luger 147 Grain Hollow Point Brass Pistol Ammunition

As Low As (Save Up to 19%)

$0.35 - $0.40/Round

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Magtech 9mm Luger, 115 Grain, Full Metal Jacket Steel, Pistol Ammo, 50 Rounds, 9AS-50RD

Magtech 9mm Luger, 115 Grain, Full Metal Jacket Steel, Pistol Ammo, 50 Rounds, 9AS-50RD

List: $14.29 (Save 16%)

Underwood Ammo 9mm Luger 90 Grain Xtreme Defender Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition

Underwood Ammo 9mm Luger 90 Grain Xtreme Defender Solid Monolithic Nickel Plated Brass Cased Pistol Ammunition

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$1.34 - $1.50/Round

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SinterFire Reduced Hazard 9 mm Luger 100 Grain Frangible Brass Cased Pistol Ammo, 50 Rounds, SF9100RHA

SinterFire Reduced Hazard 9 mm Luger 100 Grain Frangible Brass Cased Pistol Ammo, 50 Rounds, SF9100RHA

List: $35.79 (Save 16%)

Hornady Critical Defense 9 mm Luger 115 grain Flex Tip eXpanding Brass Cased Centerfire Pistol Ammo, 25 Rounds, 90250

Hornady Critical Defense 9 mm Luger 115 grain Flex Tip eXpanding Brass Cased Centerfire Pistol Ammo, 25 Rounds, 90250

List: $40.00 (Save 29%)

Federal Premium Law Enforcement 9 mm Luger, 124 Grain, Jacketed Hollow Point JHP, Brass Cased, Centerfire Pistol Ammo, 50 Rounds, P9HST1

Federal Premium Law Enforcement 9 mm Luger, 124 Grain, Jacketed Hollow Point JHP, Brass Cased, Centerfire Pistol Ammo, 50 Rounds, P9HST1

List: $71.99 (Save 44%)

Hornady Ammo 9mm Luger 115 Grain Brass Cased Full Metal Jacket Pistol Ammunition, 250 Round, 90254

Hornady Ammo 9mm Luger 115 Grain Brass Cased Full Metal Jacket Pistol Ammunition, 250 Round, 90254

List: $176.40 (Save 22%)

Sellier & Bellot 9mm Luger 140 Grain Subsonic Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, SB9SUBA

Sellier & Bellot 9mm Luger 140 Grain Subsonic Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, SB9SUBA

List: $19.69 (Save 19%)

Armscor Precision Inc USA 9mm Luger 115 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, FAC9-2N-50RD

Armscor Precision Inc USA 9mm Luger 115 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, FAC9-2N-50RD

List: $23.99 (Save 22%)

SinterFire Special Duty 9mm Luger 100 Grain Hollow Point Frangible Brass Cased Pistol Ammo, 20 Rounds, SF9100SD-200

SinterFire Special Duty 9mm Luger 100 Grain Hollow Point Frangible Brass Cased Pistol Ammo, 20 Rounds, SF9100SD-200

List: $15.79 (Save 23%)

Sellier & Bellot 9mm Luger 115 Grain Full Metal Jacket Brass Cased Pistol Ammunition

Sellier & Bellot 9mm Luger 115 Grain Full Metal Jacket Brass Cased Pistol Ammunition

As Low As (Save Up to $16.01)

$0.31 - $0.34/Round

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BarnauL Polycoated Steel Case Rifle Ammo 9mm Luger 115 gr FMJ 1329 fps 500/ct Case, BRN 9mmLuger FMJ115C

BarnauL Polycoated Steel Case Rifle Ammo 9mm Luger 115 gr FMJ 1329 fps 500/ct Case, BRN 9mmLuger FMJ115C

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Super Vel Ammunition Hush Puppy 9mm Luger 147 grain Full Metal Jacket Brass Cased Pistol Ammunition

Super Vel Ammunition Hush Puppy 9mm Luger 147 grain Full Metal Jacket Brass Cased Pistol Ammunition

As Low As (Save Up to 20%)

$0.33 - $0.35/Round

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PPU 9mm Luger 0 grain Brass Cased Blank Ammo, 50 Rounds, PPB9L

PPU 9mm Luger 0 grain Brass Cased Blank Ammo, 50 Rounds, PPB9L

List: $49.99 (Save 46%)

PMC Ammunition PMC Bronze 9mm Luger 147 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, Brass, 9H

PMC Ammunition PMC Bronze 9mm Luger 147 Grain Full Metal Jacket Brass Cased Pistol Ammo, 50 Rounds, Brass, 9H

List: $21.99 (Save 14%)

Super Vel Ammunition 9mm Luger 124 grain Full Metal Jacket Brass Cased Pistol Ammunition

Super Vel Ammunition 9mm Luger 124 grain Full Metal Jacket Brass Cased Pistol Ammunition

As Low As (Save Up to 31%)

$0.30 - $0.33/Round

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Dickinson LLC 9mm 115gr Full Metal Jacket 50 Per Box/20 Case, BRASS

Dickinson LLC 9mm 115gr Full Metal Jacket 50 Per Box/20 Case, BRASS

List: $31.99 (Save 47%)

Fiocchi Range Dynamics 9mm Luger 124 Grain Full Metal Jacket Brass Pistol Ammunition

Fiocchi Range Dynamics 9mm Luger 124 Grain Full Metal Jacket Brass Pistol Ammunition

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STV Scorpio Ammo 7.62x39 124 Grain Full Metal Jacket, Brass Cased Rifle Ammo, 20 Rounds, S762124F

STV Scorpio Ammo 7.62x39 124 Grain Full Metal Jacket, Brass Cased Rifle Ammo, 20 Rounds, S762124F

Super Vel Ammunition 9mm Luger 115 grain Full Metal Jacket Brass Cased Pistol Ammunition

Super Vel Ammunition 9mm Luger 115 grain Full Metal Jacket Brass Cased Pistol Ammunition

As Low As (Save Up to 33%)

$0.29 - $0.32/Round

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Super Vel Ammunition 9mm Luger 158 grain Full Metal Jacket Brass Cased Pistol Ammunition

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$0.48 - $0.58/Round

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Winchester USA Handgun 9 mm NATO 124 grain Full Metal Jacket Brass Cased Centerfire Pistol Ammo, 50 Rounds, Q4318

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List: $32.00 (Save 48%)

Aguila Ammunition 9mm Luger 115 Grain Full Metal Jacket Brass Case Pistol Ammo, 50-Rounds, 1E097704

Aguila Ammunition 9mm Luger 115 Grain Full Metal Jacket Brass Case Pistol Ammo, 50-Rounds, 1E097704

List: $31.99 (Save 50%)

Freedom Munitions HUSH Subsonic 9mm Luger 165 Grain Round Nose Brass Pistol Ammo, 50 Rounds, FMH9R165N50

Freedom Munitions HUSH Subsonic 9mm Luger 165 Grain Round Nose Brass Pistol Ammo, 50 Rounds, FMH9R165N50

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Ammo Boxes

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Frankford Arsenal Reloading Tools Hinge-Top Ammo Box

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MTM 100 Round 9mm/380 Pistol Ammo Box

MTM 100 Round 9mm/380 Pistol Ammo Box

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MTM Fliptop Box .380/9mm Luger, Clear Green/Black, P-100-9-16T

MTM Fliptop Box .380/9mm Luger, Clear Green/Black, P-100-9-16T

MTM P50SS9M24 Side-Slide Ammo Box Pistol 9mm, 30 Luger, 32 S&W, 380 ACP, 9mm Makarov, P50SS9M24

MTM P50SS9M24 Side-Slide Ammo Box Pistol 9mm, 30 Luger, 32 S&W, 380 ACP, 9mm Makarov, P50SS9M24

MTM 50 Round 9MM/380 Pistol Ammo Box, P50929

MTM 50 Round 9MM/380 Pistol Ammo Box, P50929

MTM P50 Fliptop Box Handgun .380-9mm, Clear Green, P50-9M-16

MTM P50 Fliptop Box Handgun .380-9mm, Clear Green, P50-9M-16

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MTM Cast Bullet Boxes - Sold In 2-Pack CAST-1-16

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MTM 50 Round 9MM-380 Blue Pistol Ammo Box, P509M24

Berrys 41236 001 Ammo Box 9mm Luger,380 ACP 100rd Smoke Lid W/Black Bottom

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MTM Ammo Box .45acp/.40sw/10mm 200-rounds, Green, P2004510

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Berrys 69874 1 Ammo Box 9mm Luger,38 ACP 1rd Blue Lid W/Black Bottom

Berrys 69874 1 Ammo Box 9mm Luger,38 ACP 1rd Blue Lid W/Black Bottom

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MTM 18 Round Pistol Wallet For 380/9MM, W18941

MTM 18 Round Pistol Wallet For 380/9MM, W18941

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MTM 100 Round 9MM/380 Green Pistol Ammo Box, P100910

MTM 100 Round 9MM/380 Green Pistol Ammo Box, P100910

MTM Ammo Box 9mm Luger/.380acp /9x18 200-rounds, Green, P200910

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Plano Handgun Ammo Case with Hinged Cover, 9mm, 100 count, Dark Gray/Transparent Amber, PMC122400

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MTM Side-Slide Ammo Box for Pistols 9MM, 30 Luger, 32 S&W, 380 ACP, 9mm Makarov, P50Ss9M16

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Berrys 87412 001 Ammo Box 9mm Luger,380 ACP 100rd Clear Lid W/Black Bottom

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Plano Handgun Ammo Case with Hinged Cover, 9mm, 50 count, Dark Gray/Transparent Rose, PMC122450

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MTM 50 Round 9MM/380 Green Pistol Ammo Box, P509M10

MTM 50 Round 9MM/380 Green Pistol Ammo Box, P509M10

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Berrys 53852 401 Ammo Box 9mm Luger,380 ACP 50rd Blue Lid W/Black Bottom

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Berry's Manufacturing Ammo Box #001 - 380/9mm Zombie Green & Black - 100 rds, 350

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Masterpiece Arms MPA Defender Pistol Magazine, 9mm Luger, 30 Round, Black, 1 Pack, Polymer, 2070P-30RD

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MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel Unavailable & Discontinued Models

List of Unorderable Models

MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel, Adjustable Sight, Aluminum Black Frame, Aluminum Grip, 1-Mag, 30 Round Capacity, MPA30SST-FRRMPG , MPN: MPA30SST , UPC: 804879268581 , Code: 2CT-FH1-NV662-MPA30SST-FRRMPG
MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel, Adjustable Sight, Aluminum Black Frame, Aluminum Grip, 1-Mag, 17 Round Capacity, MPA30DMGBLK-FRRMPG , MPN: MPA30DMGBLK , UPC: 866803043336 , Code: 2CT-FH1-NV662-MPA30DMGBLK-FRRMPG

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MPA + Firearms MPA Firearms MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel MPA + Firearms MPA Firearms + Handguns MPA Handguns MPA Defender Side-Cocker Semi Auto Pistol, 9mm Luger, 4.5 in Barrel

Last updated 2026-07-10 UTC.