Outfitters Score™
Good
Maxim scores as a quality build with average pricing and a bare-bones configuration.
Our proprietary rating combines brand tier, price percentile within the caliber, feature completeness, barrel versatility, retailer availability, caliber practicality, and use-case fit.
Full Specifications
Overview
| Brand | Maxim |
| Rifle Type | pistol |
| Platform | AR15 |
| Caliber | 300 Blackout |
| UPC | 680017508227 |
Barrel
| Barrel Length | 5.5" |
Muzzle
| Suppressor Ready | No |
Sights & Optics
| Optic Ready | Yes |
Dimensions & Weight
| Magazines Included | 1 |
Compliance
| CA Compliant | No |
| Classification | AR Pistol |
| NFA Item | No |
What's Included (Complete Rifle)
This is a complete, ready-to-shoot firearm.
Upper Receiver
Lower Receiver
Barrel
5.5"
Bolt Carrier Group
Handguard
Grip
Trigger
Muzzle Device
Charging Handle
Gas Block
Gas Tube
Buffer Tube
Backup Iron Sights
Optic
You'll need to purchase this part separately.
Use the links above to find compatible options, or open the builder to check compatibility.
NFA Warning
AR pistols require a stabilizing brace, not a rifle stock. Adding a stock to a pistol creates a Short Barreled Rifle (SBR) requiring NFA registration.
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Manufacturer · Tier 2
See everything Maxim Defense→
Build Guide
See our .300 Blackout Build→
State Check
This rifle has NFA or magazine considerations →
Defense PDX 505-SPS 300 Blackout, 5.5" Barrel, Arid Brown, M-Lok Handguard, 20rd
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