Maxim Defense 223/5.56 5.50 20+1 (Semiauto) MXM50803

In Stock

Caliber

223/5.56

Type

rifle

Action

semi-auto

Last Seen

May 20, 2026

Maxim Defense 223/5.56 5.50 20+1 (Semiauto) MXM50803

Sold byAmmunition Depot•Posted Apr 27, 2026

Compare prices for Maxim Defense PDX 505 5.56x45mm NATO Pistol 5.5" Barrel 20+1 Round Black

$2,095.49

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Deal Summary

Currently in stock.
Caliber: 223/5.56
Category: rifle
UPC: 680017508036
SKU: MXM50803
Brand: Maxim Defense

Price History

Deal Details

The Maxim Defense PDX 505-SPS stands out as the ultimate compact firearm integrating reliability-enhancing technology with the innovative SCW Pistol System. This advanced system replaces the traditional SCW stock or brace offering the most streamlined option for the back end of an AR pistol. The SCW Pistol System eliminates protruding angles and prevents snagging ensuring smooth operation in any situation. Featuring a semi-auto action and chambered in 5.56x45mm NATO the PDX 505-SPS boasts a

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Active offers from your catalog for Maxim Defense PDX 505 5.56x45mm NATO Pistol 5.5" Barrel 20+1 Round Black.

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Comparing 7 retailers carrying this product

Lowest Price: $1,993.19

Highest Price: $2,295.00

You Save: $301.81

Avg Discount: 5% off

Best Price

Maxim Defense PDX SPS 5.56mm NATO 5.5 30 Round Black Pistol

Maxim Defense PDX SPS 5.56mm NATO 5.5 30 Round Black Pistol

Maxim DefenseBattleHawk ArmorySKU/UPC: 680017508036

$1,993.19$2,295.00Save 13%

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Maxim Defense MXM50803 PDX 505-SPS 5.56x45mm NATO 20+1 5.50 in Barrel, Hate Brake Muzzle Booster Under M-Lok Handguard, Aluminum Receiver w/Black Finish, Black SCW System, Includes 1 20rd, Magazine, Pistol

Maxim Defense MXM50803 PDX 505-SPS 5.56x45mm NATO 20+1 5.50 in Barrel, Hate Brake Muzzle Booster Under M-Lok Handguard, Aluminum Receiver w/Black Finish, Black SCW System, Includes 1 20rd, Magazine, Pistol

Maxim DefenseHinterland OutfittersSKU/UPC: 175359

$2,060.00

View at Hinterland Outfitters

Current Deal

Maxim Defense 223/5.56 5.50 20+1 (Semiauto) MXM50803

Maxim Defense 223/5.56 5.50 20+1 (Semiauto) MXM50803

Maxim DefenseAmmunition DepotSKU/UPC: MXM50803

$2,095.49

View at Ammunition Depot

MAXIM DEFENSE PDX 505-SPS

MAXIM DEFENSE PDX 505-SPS

Maxim DefenseGuns.comSKU/UPC: 234129

$2,183.99

View at Guns.com

Maxim Defense Industries SPS 505 PDX Semi-automatic Pistol AR 5.56NATO 5.5 Barrel 30 Rounds

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Maxim Defense IndustriesGrabAGunSKU/UPC: GAG_MXM50803

$2,215.99$2,495.00Save 11%

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Maxim Defense 5.56x45mm AR Pistol with 5.5" Barrel, Black - MXM50803

Maxim Defense 5.56x45mm AR Pistol with 5.5" Barrel, Black - MXM50803

Maxim DefensePalmetto State ArmorySKU/UPC: 516551638466

$2,245.99$2,493.99Save 10%

View at Palmetto State Armory

Maxim Defense PDX 505 5.56x45mm NATO Pistol 5.5" Barrel 20+1 Round Black

Maxim Defense PDX 505 5.56x45mm NATO Pistol 5.5" Barrel 20+1 Round Black

Maxim DefenseMidwayUSASKU/UPC: 300431

$2,295.00

View at MidwayUSA