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Remington 700 300win mag Long Range Rifle w/ MDT LSS -XL Long Action Chassis


  • Remington 700 300win mag Long Range Rifle w/ MDT LSS -XL Long Action Chassis
Remington 700 300win mag Long Range Rifle w/ MDT LSS -XL Long Action Chassis

Remington 700 300win mag Long Range Rifle w/ MDT LSS -XL Long Action Chassis

*Please note this is a second hand rifle like NEW, only a couple rounds put through this beast.

The perfect Tahr Rilfe

Also comes with original Stock
Scope not included
Bipod included

Engineered to make three shots look like one. From extended-range big-game hunting to printing one-ragged-hole groups from the bench, no rifle delivers like the Model 700™ Long Range. And we're continually finding new ways to maximize our legendary action's inherent precision.

The Model 700™ Long Range combines the added stability of a 26" heavy-contour barrel with hard-hitting, long-action chamberings to stretch your lethal range.

Our LSS chassis system was designed to be as compact as possible. The V-shaped bedding and free floated fore-end improve accuracy and ergonomics. The fore-end allows for barrel contours up to 1" in diameter. The graphic on the right shows the 2 flat spots (V-block) where the action sits. The area below the action remains rounded for ultimate strength.
NZ$ 3,299.99
NZ$ 299.99 (a 9% discount)
NZ$ 3,000.00
Out Of Stock


Bell and Carlson M40 tactical stock – solid urethane combined with aramid, graphite and fiberglass
Aluminum bedding block for added accuracy and an extra swivel for bi-pod
26” heavy contour barrel with matte finish, perfectly matched to its high-velocity caliber offerings
Concave target-style barrel crown
X-Mark Pro® externally adjustable trigger
Drilled and tapped for scope mounts
Magazine capacity – four in standard calibers, three in magnum



Mag Capacity: 3
Barrel Length: 26"
Twist: 10
Overall Length: 47"
Length of Pull: 13"
Drop (Comb): 1 3/8"
Drop (Heel): 1 3/8"
Barrel Material: Carbon Steel
Barrel Finish: Stainless


The chassis system is manufactured out of billet 6061-T6 aluminum, and has been finished with Cerakote™ in Black or Flat Dark Earth (FDE).

To keep this chassis system compact, it was designed for collapsible AR-15 buttstocks, however fixed buttstocks can mounted with the use of a fixed stock adapter.
Alternatively, our LSS-XL chassis has a 3" longer fore-end has was designed to accept fixed buttstocks without the use of the adapter.

Recoil lug area allows for thicker lugs.



The LSS chassis is designed to accept any AR-15 butt-stock and pistol grip (purchased separately), offering the option to customize from the wide variety of  Accessories available on the market.

The LSS chassis uses AICS style external box style magazines in .223 and .308 caliber for Short Action and .300WM or .338LM AICS style magazines for Long Action rifles, and supports installation of bolt on MIL-STN-1913 accessory mounting rails. Mounting holes are spaced for Magpul style L5 (11 slots) and L3 (7 slots) rails (1.600” / 3.200”) to be used on the bottom of the fore end up to 6.5" in length.

Note: Long action magazines come in 3 different lengths: 3.715", 3.775" an 8.050". Our chassis use 3.715 length magazines.

The max thickness of recoil lug recommend is .350" (8.9mm)



Increases accuracy by up to 21%
CNC Machined from 6061 aluminum
Cerakote Finish in Black or Flat Dark Earth
Hole spacing for Magpul L5(11slot) and L3(7slot)Rails
Designed for Collapsible AR-15 buttstocks
Accepts most AR-15 Pistol Grips
Lightweight, free-floating modular fore-end
Will accommodate barrels up to 1" diameter.
Compatible with AICS style magazines in .223 or .308 (SA) and 300WM, 30.06, 338LM (LA). (Long Action Magazine length 3.715)
Weight: 1.6lb - 1.8lb
For rifles with longer barrels to be used for long range (past 900 meters) we recommend our TAC21 or our HS3 Chassis systems.

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