Maxim Defense SPS 505 PDX — 7.62×39 AR Pistol, 5.5" Barrel, Black Anodized, M-LOK® Handguard, HATEBRAKE™, ALG Combat Trigger, SCW Pistol System, 20+1 (MXM-50801 | MXM50801 | UPC 680017508012)

Ultra-compact. Hard-hitting. Purpose-built for close quarters. The Maxim Defense SPS 505 PDX is a premium AR-pattern pistol chambered in 7.62×39 with a 5.5" barrel, engineered to deliver decisive performance where inches matter. Finished in a durable black anodized coating and equipped with Maxim’s HATEBRAKE™ muzzle device to push blast forward, this PDX also features the ultra-short SCW Pistol System for minimal overall length, an ALG Combat Trigger for precise control, and an M-LOK® compatible free-float handguard for mission accessories. With a 20-round magazine included, MXM-50801 is ready for defense, vehicle deployment, and high-tempo training out of the box.

Why the SPS 505 PDX Stands Apart

• Serious Power in a Small Package: The proven 7.62×39 cartridge maintains meaningful energy from a compact 5.5" barrel—ideal for CQB and confined spaces.

• HATEBRAKE™ Muzzle Device: Directs gas forward to reduce side blast and concussion, improving comfort and communication indoors, around teammates, or in vehicles.

• SCW Pistol System: Maxim’s ultra-short receiver extension creates a remarkably compact footprint while preserving reliable cycling.

• ALG Combat Trigger: A clean, consistent break and fast reset support rapid, accurate shot strings under time pressure.

• M-LOK® Accessory Mounting: Lightweight, rigid, free-float handguard provides real estate for lights, switches, handstops, and QD sling points without adding bulk.

• Duty-Ready Build: Black anodized finish, robust controls, and Maxim Defense’s short-barrel tuning deliver confidence on Day One.

Key Features & Specifications

• Model: SPS 505 PDX

• Type: Semi-automatic AR pistol

• Caliber: 7.62×39

• Capacity: 20+1 (includes one 20-round magazine)

• Barrel: 5.5", threaded, fitted with HATEBRAKE™ blast-redirecting device

• Handguard: M-LOK® compatible, free-float

• Trigger: ALG Combat Trigger

• Operating System: AR-pattern, tuned for short-barrel reliability

• Receiver / Finish: Aluminum, black anodized

• Pistol System: SCW Pistol System (ultra-compact receiver extension)

• Safety: Manual safety selector

• Included: (1) magazine; owner’s materials (contents may vary by distributor)

• Part Numbers: MXM-50801 / MXM50801

• UPC: 680017508012

Performance You’ll Notice

• Manageable Signature: The HATEBRAKE drives blast forward to reduce collateral concussion—crucial for home defense and vehicular deployment.

• Fast, Accurate Control: The ALG Combat Trigger enhances precision and speed, keeping your dot steady across transitions.

• Ultra-Compact Handling: The SCW system and short handguard make the PDX exceptionally maneuverable around doorways, hallways, and confined spaces.

• Reliable Cycling: Maxim’s proven short-barrel tuning supports consistent function with quality 7.62×39 loads.

Ideal Use Cases

• Home & Property Defense: Compact size, controllable blast signature, and authoritative 7.62×39 performance at defensive distances.

• Vehicle/Executive Protection: Stows in tight compartments; deploys quickly without sacrificing terminal effect.

• Training & CQB Drills: Excellent for low-light, movement, and barricade work; pairs well with a white light and red dot.

• Ranch/Overland: Durable finishes and dependable mechanics make it a go-anywhere, do-more companion.

Setup Ideas (Non-Instructional)

• Optics: A closed-emitter red dot for duty durability; verify mount height for a natural cheek index.

• White Light: M-LOK-mounted light at 3 or 9 o’clock with a remote switch for positive ID.

• Sling: Two-point QD sling to steady unconventional shooting positions and ease carry.

• Magazines & Ammo: Use reputable 7.62×39 magazines; test several loads for POI and reliability, then record your dope.

Ownership Tips

1. Zero Smart: Establish a 25–50 yd zero suited to short-barrel ballistics; verify at 100 yds.

2. Torque & Witness: Install optics and rail accessories to spec; paint-pen witness marks make quick checks easy.

3. Maintenance Rhythm: Keep the BCG well-lubed during high round counts; periodically confirm muzzle-device timing and handguard fasteners.

4. Train the Controls: Rehearse selector use, reloads, and light activation to fully exploit the PDX’s speed and ergonomics.

Safety & Compliance

Know and follow all federal, state, and local laws regarding AR pistols, overall length, muzzle devices, and magazine capacity. Always verify the pistol is unloaded before maintenance or storage, and wear proper eye/ear protection during live fire.

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Maxim Defense SPS 505 PDX — 7.62×39, 5.5" AR Pistol, Black Anodized, HATEBRAKE, ALG Combat Trigger, SCW Pistol System (MXM-50801 | 680017508012): a blast-managed, ultra-compact, mission-ready platform engineered for close-quarters control, fast deployment, and decisive performance.

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