The Accu-Tac HD-50 Arca-Spec QD Bipod Black is built for .50 BMG and ELR rifles, pairing enlarged locking lugs and high-strength steel hardware with a tool-free Arca-Swiss quick-detach clamp.
How It Compares
Running a Picatinny rail instead? The Accu-Tac HD-50 Picatinny Bipod is the same heavy-rifle bipod with a hex-bolt tension clamp for MIL-STD-1913 rails. Browse the full Accu-Tac collection and our complete range of bipods & monopods.
Ideal For
- .50 BMG and other heavy magnum rifles
- Extreme long range (ELR) shooting
- Chassis rifles with Arca-Swiss forend rails
- Shooters wanting a wide, ultra-stable footprint
Key Features
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.50 BMG / ELR ready: overbuilt for heavy rifles, with enlarged locking lugs and high-strength steel hardware to tame massive recoil
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Arca-Spec quick-detach mount: tool-free clamp secures to any Arca-Swiss rail in seconds and maintains zero through rapid on/off transitions
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Cant via throw-lever: adjustable lever allows smooth canting and can be tension-set, locked or tucked away
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Nine height positions: 7.25″–10.25″ (184–260 mm) at 90° and 5.5″–8.5″ (140–216 mm) at 45°
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Four leg angles: deploy at 0°, 45°, 90° or folded
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Wide footprint: stance of 13.5″–14.5″ (343–368 mm) for maximum stability
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Type III hard-anodised flat black finish resists corrosion and wear
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Made in USA: precision-machined 6061-T6 aluminium construction
Technical Specifications
| Mount Interface |
Arca-Swiss quick-detach clamp |
| Materials |
6061-T6 aluminium; high-strength steel hardware |
| Leg Angles |
0°, 45°, 90°, folded |
| Height Positions |
9 notches |
| Height (90° legs) |
7.25″–10.25″ / 184–260 mm |
| Height (45° legs) |
from 5.5″ / 140 mm |
| Stance Width |
13.5″–14.5″ / 343–368 mm |
| Closed Length |
7.5″ / 190 mm |
| Weight |
27.5 oz / 780 g |
| Finish |
Type III hard-anodise (flat black) |
| Warranty |
Accu-Tac Limited Warranty |
| Brand |
Accu-Tac (USA) |
| SKU / MPN / UPC |
HD50-ASQD / HD50-ASQD / 858520006503 |
What's Included
- Accu-Tac HD-50 Arca-Spec QD bipod
- Adjustable throw-lever
- Allen key for tension adjustment
- Instruction manual
UK Delivery & Support
Every Accu-Tac HD-50 Arca-Spec QD Bipod is dispatched tracked from our UK warehouse, so there are no import duties or customs surprises, and it is backed by our UK-based aftersales support team.
Frequently Asked Questions
Is the HD-50 really suitable for .50 BMG rifles?
Yes. It is purpose-built for .50 cal and ELR rifles, with enlarged locking lugs and high-strength steel hardware to absorb heavy recoil.
Will this fit my Arca rail?
Yes, the tool-free QD clamp fits standard Arca-Swiss dovetail rails and mounts straight onto most chassis and tripod-ready forends.
Does it hold zero when removed and refitted?
Yes. The Arca-Spec QD clamp maintains zero through rapid on/off transitions.
