The Armory
Sig Sauer M400 TREAD AR-15 | 5.56x45mm

Sig Sauer M400 TREAD AR-15 | 5.56x45mm

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The M400 TREAD is an optics ready, aluminum frame rifle. TREAD features a 16” stainless steel barrel with a free-floating M-LOK handguard, a single-stage polished/hard-coat trigger, ambidextrous controls, a Magpul SL-K 6 position telescoping stock, a mid-length gas system, and is available in 5.56 NATO.

Detail Information:

M-LOK handguard with lightening cuts to reduce weight, available in 13” and 15” lengths
3 chamber compensator
Ambidextrous charging handle made of aircraft grade aluminum and a dual roll pin design
 Flip-up front and rear iron sights that are easy to install, adjustable, and deploy quickly
M-LOK front sight adapter with co-witness height made of lightweight aluminum
 Multiple configurations of M-LOK grip kits made of high strength polymer
Factory upgraded flat blade, single stage trigger

Product Sig Sauer M400 TREAD AR-15
Caliber 5.56x45mm NATO
Barrel 16" Stainless Steel
Twist Rate 1:8
Grip Polymer
Receiver Hard Coat Anodized
Overall Dimensions (LxWxH) 30.8" x 2.5" x 7.5"
Accessory Rail M-LOK
UPC 798681597765
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Average rating:
average rating 100%
1 reviews

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Featured positive reviews:

average rating 100%
Great Rifle 01/31/2021
By Josh
Shot 500 rounds through it so far. Shoots great and no issues. Shot tight groups when zeroed in with sig sauer Romeo 5 sight which is also highly recommended. If you can get the 13 handguard which is lighter and has more mlok slots. Very happy with this rifle.