
The SL-E302 sling bag can be switched shoulder-to-shoulder without removing it, and the POM adjuster holds its setting under load so the strap does not lengthen mid-carry. Sling anchors mount to welded reinforcement patches, so the IPX7 shell is never pierced. Backpack straps are included for long approaches. 1.35 kg, 60 L, 130 × 25 cm, RF welded 840D TPU.
SL-E302 in single-shoulder sling carry
| Specification | Value |
| Model | SL-E302 |
| Primary Carry | Adjustable removable single-shoulder sling |
| Secondary Carry | Backpack straps included |
| Load on One Shoulder | 5.35 kg (case 1.35 kg + 4 kg rifle) |
| Load per Shoulder, Backpack Mode | 2.67 kg |
| Waterproof Rating | IPX7 — immersion to 1 m for 30 minutes |
| Dimensions / Capacity | 130 × 25 cm / 60 L |
| MOQ / Sampling / Production | 300 pcs / 7–10 days / 30–45 days |
Carrying comfort gets specified in detail; transition time almost never does. A sling reduces the seconds, the movement, and the number of items that must be set down before the bag can come off.
| Variable | Sling Carry | Backpack Carry |
| Motions to remove | One, over the head or shoulder | Two arms, sequential |
| Clearance required | Minimal; workable while seated | Needs room behind and beside |
| Shoulder switching | Possible without removing the bag | Not applicable |
| Access while wearing | Bag swings to the front | Must be removed first |
| Load per shoulder | 5.35 kg on one side | 2.67 kg each side |
| Fatigue over distance | Higher, asymmetric | Lower, balanced |
| Hands-free stability | Moderate; can swing when moving fast | High; stays flat to the back |
A trip with one long walk favours the backpack straps. A trip with twenty short transitions favours the sling. Both configurations ship in the box, so the choice is made in the field rather than at purchase.
Single-shoulder carry loads one side at 5.35 kg. Switching sides periodically is the standard remedy, and the sling allows it without taking the bag off.
1. Grip the sling webbing at chest height with the opposite hand
2. Lift the strap over the head while the bag rotates behind
3. Settle the strap onto the other shoulder and release
4. Adjust length if the two shoulders sit at different heights under clothing
Switching every ten to fifteen minutes extends comfortable single-shoulder carry distance substantially. Most users endure one-sided fatigue rather than switching, which is why the procedure is printed on the instruction card.
Boats, blinds, treestands, and vehicle cabs share one characteristic: there is no clearance behind the user's shoulders.
| Environment | Constraint | Why Sling Carry Suits It |
| Small boat or kayak | Seated; no clearance behind | Removed and stowed without standing |
| Treestand or platform | Elevated; movement is risky | Handled seated, one hand free to hold on |
| Layout or pit blind | Confined, low ceiling | No overhead room needed to remove |
| Vehicle cab | Seated with seatbelt | Slipped off without exiting |
| Dense timber | Frequent stops and ducking | Fast to shift or reposition on the move |
| Portage between waters | Repeated load and unload | Minimises time at each transition |
Field work often happens with one hand already occupied — a paddle, a light, a call, a rail, or a dog lead.
• Shouldering and unshouldering can be completed with one hand
• The bag is held stable against the body by pressing an elbow rather than a hand
• Length adjustment is reachable while wearing the bag
• Sealed to IPX7, the bag can be set down in mud or shallow water while a task is completed
The last point connects the carry system to the seal: because the bag is rated for immersion to 1 m for 30 minutes, setting it in standing water during a retrieve carries no consequence, so no dry ground has to be found first.
| Variable | Effect | Specification |
| Strap length range | Sets carry height and clearance over bulky clothing | Adjustable across layered and unlayered wear |
| Anchor point spacing | Determines the hang angle of the 130 cm tube | Positioned so the body hangs parallel to the back |
| Strap width and padding | Controls pressure on a single shoulder | Wider bearing area at the shoulder contact zone |
Anchor spacing is the variable most often specified poorly. Anchors set too close together let the tube hang nose-down and swing; correctly spaced, the body hangs parallel and stays where it is put.
| Stated plainly:single-shoulder carry is not the right configuration for long approaches, steep or scrambling terrain, or any situation needing both hands for balance. At 5.35 kg on one side it produces asymmetric fatigue that no strap design eliminates. The included backpack straps halve the per-shoulder load to 2.67 kg — the two configurations are complementary rather than a good option and a lesser one. |
| Item | Specification |
| Model Number | SL-E302 |
| Product Name | Sling Rifle Dry Bag |
| Primary Carry | Adjustable removable shoulder sling |
| Sling Anchor | Welded reinforcement patches |
| Adjuster Hardware | POM slider and buckle |
| Shell Material | 840D TPU laminated (500D PVC / 420D TPU optional) |
| Seam Construction | RF welded |
| Closure | Roll-top, three folds minimum, POM side-release buckles |
| Waterproof Rating | IPX7 — immersion to 1 m for 30 minutes |
| Dimensions | 130 × 25 cm |
| Usable Capacity | 60 L |
| Net Weight | 1.35 kg ± 0.15 kg |
| Max Firearm Length | 50 in (127 cm) |
| Carrying Style | Hand / Shoulder / Backpack |
| OEM / ODM | Supported |
| Option | Available | Notes |
| Sling Length and Adjustment Range | ✔ | Extended range for layered cold-weather markets |
| Anchor Point Spacing | ✔ | Sets the hang angle |
| Strap Width and Padding | ✔ | Adjusts single-shoulder contact pressure |
| Quick-Release Sling Hardware | ✔ | For guided and boat-based operations |
| Tube Diameter and Length | ✔ | Matched to target firearm range |
| Camouflage or High-Visibility Colourway | ✔ | Pantone matched |
| Carry and Sealing Instruction Card | ✔ | Multilingual available |
| Packaging / Private Label | ✔ | Colour box, printed carton, hang tag |
Guided waterfowl mornings with frequent transitions, boat and kayak hunting, treestand and platform access, layout and pit blind use, portage routes between waters, short walk-in access from vehicles, dog handling and retrieve work, and guide and outfitter fleet use.
5. 840D TPU fabric inspection and weldability confirmation
6. Welding parameter setup and first-article peel test
7. Precision cutting of cylindrical body panels
8. RF welding of the airtight shell
9. Welded reinforcement patch application at sling anchors
10. Sling and backpack strap assembly
11. Closure edge reinforcement and forming
12. Sling load test and immersion verification
13. Final quality inspection and export packing
| Inspection Item | Standard |
| Incoming Material Inspection (IQC) | Every batch |
| First-Article Weld Peel Test | Start of every run |
| Welded Seam Integrity | 100% |
| Sling Anchor Patch Bonding | 100% |
| Adjuster Function Check | 100% |
| Roll-and-Seal Function | 100% |
| Immersion Verification (IPX7 condition) | Per approved sampling plan |
| Packaging Inspection (OQC) | 100% |
| Test Item | Method | Result |
| Sling Suspended Load | 1,500+ cycles on the sling anchor pair | No deformation or anchor separation |
| Anchor Patch Peel | Sustained load at welded sling patches | No separation of the welded patch |
| Hang Angle Check | Loaded bag suspended and observed at rest | Body hung parallel; no nose-down rotation |
| Shoulder Transfer Cycle | Repeated shoulder switching while loaded | Adjuster held setting; no slippage |
| Adjuster Slip Under Load | Sustained load at set length | Length setting retained |
| IPX7 Immersion | Sealed and immersed to 1 m for 30 minutes | No ingress at seams, closure, or sling anchors |
| Salt-Water Exposure | Immersion in salt water, rinsed and dried | No hardware corrosion |
| Low-Temperature Adjustment | Adjusted after 12 h at -20°C | Slider and buckle operated normally |
| Item | Specification |
| Individual packing | PE protective bag |
| Carton | 132 × 32 × 32 cm, 4 pcs, 5.4 kg net |
| Volume per unit | 0.0338 m³ |
| MOQ | 300 pcs |
| Sample lead time | 7–10 days |
| Production lead time | 30–45 days |
| Trade terms | EXW / FOB / CIF |
| Certifications | ISO 9001, BSCI, SMETA, GRS (material dependent) |
| Included Item | Quantity |
| Sling Rifle Dry Bag (SL-E302) | 1 |
| Adjustable Removable Shoulder Sling | 1 |
| Backpack Straps | 1 set |
| Carry and Sealing Instruction Card | 1 |
| PE Protective Bag | 1 |
• 12-month warranty against manufacturing defects, including sling anchors and seams
• Replacement slings and adjuster hardware for dealer service programmes
• Sling geometry consultation for layered cold-weather markets
• Immersion and load test documentation for OEM quality files
• Multilingual carry and sealing instruction cards
Project:
Transition-Optimised Fleet for a Guided Boat Hunting OperationA guided operation moving clients by boat found that backpack-only harnesses were slowing every transfer. Clients had to stand in an unstable boat to remove them, which cost time and created a safety concern the guides raised repeatedly.
The operation specified a lengthened sling range to clear bulky cold-weather layers and quick-release sling hardware, retaining the backpack straps for the walk-in sections of the same trips.
• Initial order: 380 pcs
• Customized features: Extended sling range for layered clothing, quick-release hardware, marsh camouflage, printed carry card
• Sample lead time: 8 days
• Production lead time: 41 days
• Outcome: Boat transfers completed seated; repeat order placed the following season
“Nobody stands up in the boat anymore. That alone was worth the changeover, before we even got to the waterproofing.”
— Head Guide, Boat Hunting Operation
“Having both the sling and the backpack straps in the box ended the debate. Different clients want different things on the same trip.”
— Retail Buyer, Outdoor Chain
“Once crews started switching shoulders every ten minutes the complaints about one-sided ache stopped.”
— Operations Lead, Waterfowl Outfitter
No. It optimises for a different variable. A backpack halves the per-shoulder load to 2.67 kg and minimises fatigue over distance; a sling minimises the time and space needed to get the bag on and off. Both ship in the box.
Yes. Grip the strap at chest height with the opposite hand, lift it over your head while the bag rotates behind, and settle it on the other shoulder. Switching every ten to fifteen minutes substantially extends comfortable carry distance.
There is no clearance behind your shoulders when seated. A sling comes off in one motion without standing, which matters for both speed and stability in a small craft.
Long approaches, steep or scrambling terrain, fast movement over rough ground, and any time both hands are needed for balance. At 5.35 kg on one side, single-shoulder carry produces asymmetric fatigue no strap design removes.
No. Sling anchors mount to welded reinforcement patches rather than stitching through the shell, so the body stays airtight. IPX7 immersion performance is verified with the sling fitted.
Yes. Rated for immersion to 1 m for 30 minutes, setting it in mud or shallow water during a task has no consequence — no dry ground has to be found first.
No. The POM adjuster is tested to hold its setting under sustained load, and length can still be changed while wearing the bag.
It sets the hang angle. Anchors too close together let the tube hang nose-down and swing while walking. Correctly spaced, the body hangs parallel and stays put. This is adjustable for OEM projects.
Yes, and it is a common OEM request. Cold-weather markets specify an extended adjustment range so the bag clears bulky layers without riding high.
Yes, as an OEM option. Guided and boat-based operations frequently specify it to speed transfers further.
Yes. Rotating the bag forward is a practical advantage of sling carry, though the roll-top still takes time to open — this is a transport product rather than a rapid-access one.
MOQ 300 pcs, samples in 7–10 days, production in 30–45 days, quoted EXW, FOB, or CIF. Full OEM and ODM development is supported including sling length, anchor spacing, padding, hardware, size, and packaging.
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