Sig Sauer M400-Tread 5.56mm Rifle TacPac with Three 30-Round Magazines, ROMEO-MSR Red Dot and Rifle Case

Jul 30, 2022 · They took away the 550 furniture and replaced it with a non-folding M4 collapsible stock, and the rail system came as steel or polymer that looked nothing like the originals. They accommodated AR-15 magazines rather than the unobtanium 550 series mags. However, a change that many didn’t mind was the new aluminum lowers.

Sig Sauer M400 Tread V2 5.56mm AR-15 Rifle with 2-Stage Match Trigger and M-LOK Handguard

Find SIG 556 for Sale. Compare prices for in stock Sig Sauer 556 guns from more than 100 stores online on gun.deals

Brand: SIG Sauer Model: MCX Spear LT Caliber: 5.56 NATO / 223 Rem Action: Semi-Auto OAL: 35.1" Barrel Length: 16" Operating System: Short Stroke Piston Capacity: 30 rounds Stock Type: Folding Barrel Material: Cold Hammer Fordged Steel Twist: 1:7 Rail: M-LOK Operating System: Gas Piston Threads: 1/2"-28 Weight: 7.5 lbs

Available in 5.56 NATO, the Classic SWAT features a Swiss-type folding stock, as well as a aluminum quadrail forend that is ideally suited for mounting accessories. The Classic SWAT’s sleek profile and compact length is enhanced by a 16” button rifled barrel.

Sig Sauer AR-15 rifles for sale online or in-store at Sportsman's Warehouse. Shop a full selection of AR-15 rifles manufactured by Sig Sauer.

Click here to shop Sig Sauer 556 Rifles at MidwayUSA. Find models like the M400, MCX, and 716i and take your tactical shooting to the next level.

Online shopping from a great selection of discounted 5.56 MM guns for sale by Sig Sauer for sale at Sportsman's Outdoor Superstore.

Search the Guns.com database to shop for guns, ammo, mags, optics and more. Filter products to compare by specs and price. New and certified used handguns, shotguns, rifles...