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General Forums

556 Lounge

Open discussion for SIG 556 enthusiasts
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556 Discussions

Sig Sauer 556 specific discussion
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556R Discussion

Forum to discuss the 7.62x39 chambered variant.
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Technical Discussions & Troubleshooting

Talk about technical issues, maintenance and troubleshooting
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The Machine Shop

Sub-Forum to post your do-it-yourself modifications, custom conversions or other custom firearm work.
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Assault Rifles, Battle Rifles, and Shotguns

Spot to talk of other shoulder fired weapons.
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Hunting

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Pistols

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The Photo Shop

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Equipment

Uppers, Lowers, Barrels and Parts

Discussion of major components and parts
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Optics, Mounts, and Sights

Post about every type of sight and related product for your SIG 556
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Slings, Lights, & Other Accessories

Discuss equipment not covered anywhere else
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Ammunition, Magazines, & Reloading

Everything related to factory available ammunition and reloading the .223 / 5.56 round.
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Sig Sauer USA 55x After Market Development Sig 556/55x forum for all after-market accessories and parts.

New Products

556 products available now for purchase.
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End-User Input

What would you like to see produced for the 556?
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Research and Development/Test and Evaluation

556 parts and accessories in the early stages of production. All Patents pending or already in affect. Testing or evaluating 556 specific products? Post them here.
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Prototype Ideas in Development

This forum section is Private use for our manufacturer members only to post information about products in prototype stage that may or may not be produced. Pre-Patent designs.
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Marketplace Buy Sell Trade (Non-FFL)

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Group Buy

This is a forum for group-buys, or for organizing group buys.
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Feedback Forum

Archived. A feedback feature is now included within Marketplace.
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Vendor Member Section Want to Grow Your Business? Learn more about becoming a Supporting or Premium Vendor

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Camera Land

Camera Land - 866-9optics
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Community Help Section

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Latest Posts See all new posts
  1. Side folding stock for a Sig55X series rifle or pistol. Fits the Sig550, Sig551, Sig522 and the others in that series. No release button or spring. Great way to get rid of the crappy collapsible stocks that some of these came with. $215 shipped Will cost you $260+ shipping anywhere else: SIG...
      0 replies   26 views
  2. Sig Sauer, Model SIG 556, Semi Auto Rifle in 5.56mm NATO. The barrel is a 16" inch barrel with flash hider, bore is in good condition, crisp rifling has no pitting, no rust, or corrosion present in the barrel, on the barrel, or anywhere else on this firearm. Sig Sauer factory folding butt stock...
      0 replies   50 views
  3. Legit black finish original swiss lower in mint condition. Includes classic folder Swiss stock very smooth and crisp trigger break. No FFL required- will not be shipped to AWB states only where legal. Asking $1500 shipped Paypal or zelle accepted
      0 replies   32 views
  4. Hello all, My Father, who has been a collector for many years, recently gave this to me. I have tried the Google search but I haven't been able to find this particular modification to the selector switch. What have I got here? Kind Regards
      7 replies   659 views
  5. Current Sales, Specials and News There's lots going on at the moment so we thoughts we'd give you some intel. We offer ZERO % financing on all web orders. Please look at Affirm at check out, if this is something that interests you, for 0% financing. For starters, some of you have already...
      1 reply   32 views
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