California compliance
- Status: Legal to own in California.
- Configuration: Featureless, built by WBT: grip fin in place of the pistol grip, stock pinned in a fixed position, flash hider removed and replaced with a thread protector (a muzzle brake is an optional upgrade). The magazine release works normally, so reloads are the same as anywhere else.
- Magazine: Standard detachable, 10-round.
- Your options: This is the one configuration that works for this rifle; it is not offered the other way.
- Learn more: How fixed-magazine rifles work · How featureless rifles work · Why some rifles can only be built one way
About this rifle
Palmetto State Armory Gen4 Rifle is a pistol-caliber carbine chambered in 9mm with a 16" barrel and a 10-round capacity. Finish: Black. It uses pistol ammunition, which keeps range time inexpensive and lets you share ammo with your handgun.
Manufacturer details
Barrel : 16" chrome moly steel barrel. Chambered in 9mm, (9x19), with a 1/10 twist. The barrel is nitride treated for durability and finished off with a Palmetto State Armory 13.5" Lightweight M-Lok free-float rail and a bird cage style A2 flash hider.
Upper : Billet 6061-T6 Slick side AR upper is hard coat anodized black for durability. These upper receivers are made for us right here in the USA.
Bolt Carrier Group : Gen 4 Hybrid 9mm BCG. Nitride treated 8620 steel bolt, with an enhanced firing pin and external 5.56 style extractor. The bolt carrier group is compatible with most aftermarket fire control groups.
Lower: . Forged 7075 T6 aluminum and then hard coat anodized, these lowers are purpose built to accept 9mm Glock®-style magazines. Designed to work with PSA's new 9mm Hybrid uppers. The lower is assembled with a Palmetto State Armory MOE EPT Lower Build Kit with a Magpul Grip, PSA 6 position buffer tube, and Magpul MOE Stock. Does not include last round bolt hold open feature.
*PSA Can't Guarantee Function With EndoMag 9mm Magazines
Details
Barrel Length : 16"
Gas System : Blowback
Barrel Profile : A2
Barrel Steel : 4150V Chrome Moly Steel
Barrel Finish : Nitride
Chrome Lining : None
Muzzle Thread : 1/2-28
Chamber : 9mm (9x19)
Twist Rate : 1 in 10"
Barrel Extension : Blowback
Diameter at Gas Block : N/A
Gas Block Type : N/A
Muzzle Device : Birdcage Flash Hider
Receiver Material : Forged 7075 T6
Receiver Type : Slick Side
Handguard Type: PSA 13.5" Lightweight M-Lok
Bolt Carrier Group Included : Yes
Bolt Steel: 8620
Bolt Carrier Profile : 9mm Gen4
Charging Handle Included : Yes
Lower Receiver : Forged 7075 T6 Aluminum
Receiver Finish : Hardcoat Anodized
Fire Control Group : Single-Stage, Enhanced Polished Trigger (EPT)
Grip: Magpul, Black
Buffer Tube : 7075 T6 Aluminum
Adjustment: 6 Position
Stock: Magpul MOE Stock, Black
Specifications
- Brand: Palmetto State Armory
- Caliber: 9mm
- Action: Semi-Automatic
- Capacity: 10
- Barrel: 16 in
- Finish / color: Black
- California compliance: Featureless (Grip Fin, Pinned/Fixed Stock, Flash Hider Removed)
- Manufacturer part #: 5165450030
- UPC: 5165450030
Buying from WBT Guns
- Delivery: Free pickup at our La Mesa store with no transfer fee, or shipment to any California gun store you choose. Select your FFL at checkout.
- Compliance guarantee: Every firearm leaves our shop in the configuration described on this page, function-checked by our compliance team.
- Payment: Pay in full, put 50% down with the balance due in 14 days, or finance with Credova.
- Paperwork: Firearm Safety Certificate, DROS and California's 10-day waiting period apply. We handle each step with you at pickup.
- Questions: Call (619) 667-9453 or email sales@wbtguns.com. FAQ · California Rifle Compliance Guide
WBT Guns is family-owned in La Mesa, California, and has configured firearms for California buyers since 2012.
A note on accuracy. We work hard to keep every listing correct, but specifications, images and compliance details come from many sources and can contain errors or change without notice. Images may show a configuration that is not California-legal. If a detail on this page matters to your decision, call us and we will confirm it against the actual firearm before you order. The compliance information here is general in nature and is not legal advice; California and local laws change, and the configuration described is confirmed at the time of sale. All sales are subject to applicable federal, state and local law and to the buyer's eligibility to purchase.