Description
Turkey hunting comes down to one thing when the moment arrives: putting a dense cloud of pellets on the head and neck of a longbeard that hangs up just out of comfortable range. The Primos JellyHead Maximum is built to do exactly that for Mossberg 835 and 935 owners. It threads into the Accu-Mag pattern and drops your muzzle down to a tight .690 constriction, which is where the magic happens for lead and Hevi-Shot turkey loads.
What the JellyHead Maximum Does Downrange
The extended taper and fluted ports are the heart of this choke. That longer taper gives the shot column more time to settle before it leaves the barrel, which is how Primos gets patterns to tighten up to 20% over a standard tube. The ports do double duty by bleeding off gas to knock down felt recoil, so those punishing 3.5-inch magnum loads don't beat you up quite as bad and you can settle back in for a follow-up if you need it. Folks running it on the 835 report tight, even patterns out to 40 and 50 yards with #4, #5, and #6 shot.
Black-T Coating Built for Nasty Weather
Spring turkey woods are wet, muddy, and rough on gear. Primos finishes the JellyHead Max in their proprietary Black-T coating, a polymer-based barrier used on military Special Forces weapons to fight rust and corrosion. It shrugs off the damp mornings and keeps the tube looking and working right season after season.
Fitment and Handling
This is the .690 constriction model made specifically for the Mossberg 835 and 935 12 gauge. Installation is tool-free: clean the threads, add a little choke tube grease, and hand-tighten by the knurled end without cranking it down. Worth noting, JellyHead tubes are designed for lead, copper-plated lead, and Hevi-Shot loads rather than steel shot, so keep your turkey ammo matched to it and this choke will earn its keep every spring.
Key Specifications
- Manufacturer: Primos
- Manufacturer Part Number: 69401
- UPC: 010135694012
- Gauge: 12 Gauge
- Fit: Mossberg 835 / 935 (Accu-Mag)
- Constriction: .690
- Choke Designation: XX-Full (Turkey)
- Product Type: Extended
- Ported: Yes
- Material: Steel
- Finish: Black-T Coating
- Recommended Range: Up to 50 yards
- Approved Ammunition: Lead, Copper-Plated Lead, Hevi-Shot (No Steel)
- Chokes Included: One Choke
What’s Included
- One (1) Primos JellyHead Maximum extended turkey choke tube (.690 constriction, Mossberg 835/935 fit)
Frequently Asked Questions
Will the JellyHead Max fit my Mossberg 835 and 935?
Yes, this .690 constriction model is made specifically for the Mossberg 835 and 935 12 gauge, which use the Accu-Mag thread pattern. It threads right in without any modification. If you have a different shotgun, Primos makes JellyHead Maximum tubes in other constrictions for Remington, Benelli, Beretta, and Browning threads.
Can I shoot steel shot through the JellyHead Maximum?
No. JellyHead choke tubes are designed for lead, copper-plated lead, and Hevi-Shot turkey loads, not steel shot. Stick with those load types and you'll get the tight, dense patterns this choke is known for. Match your ammo accordingly and the tube will last for many seasons.
How much tighter will my patterns get with this choke?
Primos rates the JellyHead Maximum for up to 20% tighter patterns compared to a standard tube, thanks to its extended taper and .690 constriction. Real-world users running it on the 835 report even, dense patterns out to 40 and 50 yards with #4, #5, and #6 shot. As always, pattern your specific gun and load combo before hunting to confirm your effective range.
Does the JellyHead Max really cut down on recoil?
The fluted ports bleed off gas as the shot leaves the muzzle, which noticeably reduces felt recoil, especially with heavy 3.5-inch magnum turkey loads. That makes it easier to stay on target and get back on a bird for a quick second shot if you need one.





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