Description

The M400 TREAD is an optics ready, aluminum frame rifle. The 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.
SKU RM400-16B-TRD
Manufacturer Sig Sauer
Caliber 5.56 NATO
Action Type Semi-Automatic
Style AR
Color Black
Magazine Capacity 30
Magazines Included 1
Detachable Magazine Yes
Barrel Length 16''
Threaded Barrel Yes
Sights No
Recoil Pad No
Metal Finish Black (Matte)

Find more 223/5.56 Sig Sauer for sale rifles.

Rebates for Sig Sauer brand

Exp. date: 01.09.2026
Buy a New Applicable SIG SAUER Handgun Between 06/01/26 and 08/31/26, Receive One (1) SIG SAUER FOXTROT-EDC COMPACT Flashlight. (SKU: SOFEC002)
*Purchases of all SIG SAUER P365, P320, M17-M18, P210, P211, P220, P226, P229 and 1911 models are included in this offer. All other SIG SAUER Handguns are excluded from this promotion.

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Compare prices for 798681597765 - Sig Sauer SIGM400 TREAD 223/5.56 RM400-16B-TRD from all vendors

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$749.99
Free over $90
$873.48
Free shipping over $400 (Excludes Ammo)
$899.99
Free Ship to Store, $21.95 Firearms, $11.95 Ammo/Accessories
$901.99
19.99
Out Of Stock
$794.79
$19.95
$799.99
$13.95 flat rate S/H
$799.99
$19.95 flat rate per 50 lbs (all products), No CC Fees!
$809.48
Free Shipping
$820.77
Calculated in Cart
$849.99
Free
$849.99
Firearms & Suppressors $19.99 | Accessories $14.95 - $19.99
$849.99
$19.99 for firearms
$849.99
$15
$849.99
Shipping calculated in cart
$849.99
24.99
$849.99
Free Shipping Over $200
$868.99
Most Firearms ship for FREE
$886.73
19.99
$888.99
19.99
$899.00
Free shipping over $500
$899.99
$0-$10
$899.99
45.00
$903.53
$29.99 Handguns, $39.99 Long guns, $19.99 Ammunition, $19.99 Suppressor, $12.95 Everything else
$918.99
$39.99
$941.25
19.99

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