Remington Model 870 vs STK 40 AGL: Specs Compared

FORCETALLY

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ASmall arms

STK 40 AGL

Automatic grenade launcher

First system

Second system

At a glance

Side by side

Length comparisonOne shared metre scale

Remington Model 870Remington Model 870 · Length · Length

0.67–1.28 m

Length source ↗

STK 40 AGLwith stock

0.966 m

Length source ↗

Lengths retain their source configuration and measurement scope.

Measured figures

Head to head

16 of 43 rows sourced on both sides

0.67–1.28mRemington Model 870 · Length · Length

966mmwith stock

LengthScopes differ

All recorded figures & sources

0.67–1.28 m

Remington Model 870 · Length · Length

Single source

26.3 in (670 mm) to 50.5 in (1,280 mm)^[source]Remington Model 870 · Length

Configuration

Details

Remington Model 870 and STK 40 AGL configuration
Specification	Remington Model 870	STK 40 AGL
Type	Pump-action shotgun^[source]Remington Model 870 · Type	Automatic grenade launcher^[source]
Place of origin	United States^[source]Remington Model 870 · Place of origin	Singapore^[source]
In service	1950–present^[source]Remington Model 870 · In service	1991–present^[source]
Used by	See Users^[source]

710mm

350mm

Barrel length

All recorded figures & sources

0.64 m

Remington 870 · 410 Turkey TSS · Barrel length

Single source

0.508 m

Remington 870 · Fieldmaster · 28, 26, 21, 18.75, 26 and 711, 660, 533, 476, 660 and

Single source

0.508 m

Remington 870 · Fieldmaster · Barrel length

Single source

0.51 m

Remington 870 · FieldMaster Deer · Barrel length

Single source

0.51 m

Remington 870 · Fieldmaster Fully Rifled Cantilever · Barrel length

Single source

0.508 m

Remington 870 · Fieldmaster Synthetic · 28, 26, 21, 21 and 710, 660, 530, 530 and

Single source

0.51 m

Remington 870 · Fieldmaster Synthetic · Barrel length

Single source

0.47 m

Remington 870 · Special Purpose Marine Magnum · Barrel length

Single source

0.51 m

Remington 870 · SPS Super Mag Turkey Predator · Barrel length

Single source

0.65 m

Remington 870 · SPS Superslug · Barrel length

Single source

0.71 m

Remington 870 · Super Magnum Flyaway · Barrel length

Single source

0.66 m

Remington 870 · Super Magnum Turkey/Waterfowl Camo · Barrel length

Single source

0.53 m

Remington 870 · Turkey Camo · Barrel length

Single source

0.64–0.71 m

Remington 870 · Wingmaster · Barrel length

Single source

0.36–0.76 m

Remington Model 870 · Barrel length · Barrel length

Single source

14 in (360 mm) to 30 in (760 mm)^[source]Remington Model 870 · Barrel length

20 in (510 mm)^[source]Remington 870 · FieldMaster Deer

25 in (640 mm)^[source]Remington 870 · 410 Turkey TSS

21 in (530 mm)^[source]Remington 870 · Turkey Camo

25 + 1 ⁄ 2 in (650 mm)^[source]Remington 870 · SPS Superslug

28, 26, 21, 18.75, 26 and 20 in (711, 660, 533, 476, 660 and 508 mm)^[source]Remington 870 · Fieldmaster

28, 26, 21, 21 and 20 in (710, 660, 530, 530 and 510 mm)^[source]Remington 870 · Fieldmaster Synthetic

18 + 1 ⁄ 2 in (470 mm)^[source]

0.35 m

Barrel length

Single source

350 mm (13.8 in)^[source]

Wars	Vietnam War Rhodesian Bush War Lebanese Civil War War in Afghanistan Iraq War^[source]Remington Model 870 · Wars	Anti-guerrilla operations in the Philippines 2025 Cambodia–Thailand border conflict^[source]

Designer	L.Ray Crittendon, Phillip Haskell, Ellis Hailston, G.E. Pinckney^[source]Remington Model 870 · Designer	Chartered Industries of Singapore^[source]

Designed	1950^[source]Remington Model 870 · Designed	1986-1989^[source]

Manufacturer	Remington Arms^[source]Remington Model 870 · Manufacturer	Chartered Industries of Singapore (former) ST Kinetics (former) ST Engineering^[source]

Unit cost	$ 350^[source]Remington Model 870 · Unit cost	—

Produced	1951–present^[source]Remington Model 870 · Produced	1991–present^[source]

No. built	11,000,000+^[source]Remington Model 870 · No. built	—

Variants	See Variants^[source]Remington Model 870 · Variants	—

Cartridge	12 gauge , 16 gauge , 20 gauge , 28 gauge , or .410 bore^[source]Remington Model 870 · Cartridge 12-gauge^[source]Remington 870 · FieldMaster Deer .410-bore^[source]Remington 870 · 410 Turkey TSS 12-gauge^[source]Remington 870 · Turkey Camo 12-gauge^[source]Remington 870 · SPS Superslug 12-gauge, 20-gauge^[source]Remington 870 · Fieldmaster 12-gauge, 20-gauge^[source]Remington 870 · Fieldmaster Synthetic 12-gauge^[source]Remington 870 · Special Purpose Marine Magnum 12-gauge ( 2 + 3 ⁄ 4 ", 3" and 3 + 1 ⁄ 2 ")^[source]Remington 870 · SPS Super Mag Turkey Predator 12-gauge ( 2 + 3 ⁄ 4 ", 3" and 3 + 1 ⁄ 2 ")^[source]Remington 870 · Super Magnum Flyaway 12-gauge ( 2 + 3 ⁄ 4 ", 3" and 3 + 1 ⁄ 2 ")^[source]Remington 870 · Super Magnum Turkey/Waterfowl Camo 12-gauge ( 2 + 3 ⁄ 4 " and 3"), 20-gauge, and .410-bore^[source]Remington 870 · Wingmaster 12-gauge^[source]Remington 870 · Fieldmaster Fully Rifled Cantilever	40x53mm grenade^[source]

Cartridge

12 gauge , 16 gauge , 20 gauge , 28 gauge , or .410 bore^[source]Remington Model 870 · Cartridge

12-gauge^[source]Remington 870 · FieldMaster Deer

.410-bore^[source]Remington 870 · 410 Turkey TSS

12-gauge^[source]Remington 870 · Turkey Camo

12-gauge^[source]Remington 870 · SPS Superslug

12-gauge, 20-gauge^[source]Remington 870 · Fieldmaster

12-gauge, 20-gauge^[source]Remington 870 · Fieldmaster Synthetic

12-gauge^[source]Remington 870 · Special Purpose Marine Magnum

12-gauge ( 2 + 3 ⁄ 4 ", 3" and 3 + 1 ⁄ 2 ")^[source]Remington 870 · SPS Super Mag Turkey Predator

12-gauge ( 2 + 3 ⁄ 4 ", 3" and 3 + 1 ⁄ 2 ")^[source]Remington 870 · Super Magnum Flyaway

12-gauge ( 2 + 3 ⁄ 4 ", 3" and 3 + 1 ⁄ 2 ")^[source]Remington 870 · Super Magnum Turkey/Waterfowl Camo

12-gauge ( 2 + 3 ⁄ 4 " and 3"), 20-gauge, and .410-bore^[source]Remington 870 · Wingmaster

12-gauge^[source]Remington 870 · Fieldmaster Fully Rifled Cantilever

40x53mm grenade^[source]

Action	Pump-action^[source]Remington Model 870 · Action	Blowback operation^[source]

Feed system	3+1, 4+1, 5+1, 6+1, or 7+1 round internal tube magazine , or an external 6+1 box magazine^[source]Remington Model 870 · Feed system	Linked belt^[source]

Sights	Bead, twin bead, adjustable open sights, or ghost ring (all iron sights ). Also cantilever and receiver-mounts for scopes^[source]Remington Model 870 · Sights	Folding leaf sight^[source]

Barrel type	Fully rifled^[source]Remington 870 · FieldMaster Deer Vent Rib, Rem Choke^[source]Remington 870 · 410 Turkey TSS Vent Rib, Rem Choke^[source]Remington 870 · Turkey Camo Fully rifled extra heavy (fluted)^[source]Remington 870 · SPS Superslug Vent rib Rem Choke and fully rifled^[source]Remington 870 · Fieldmaster Vent rib Rem Choke and fully rifled^[source]Remington 870 · Fieldmaster Synthetic Cylinder choke^[source]Remington 870 · Special Purpose Marine Magnum Rem Choke^[source]Remington 870 · SPS Super Mag Turkey Predator Vent rib, Rem Choke^[source]Remington 870 · Super Magnum Flyaway Vent rib, Rem Choke^[source]Remington 870 · Super Magnum Turkey/Waterfowl Camo Vent Rib, Rem Choke^[source]Remington 870 · Wingmaster Fully rifled^[source]Remington 870 · Fieldmaster Fully Rifled Cantilever	—

Barrel type

Fully rifled^[source]Remington 870 · FieldMaster Deer

Vent Rib, Rem Choke^[source]Remington 870 · 410 Turkey TSS

Vent Rib, Rem Choke^[source]Remington 870 · Turkey Camo

Fully rifled extra heavy (fluted)^[source]Remington 870 · SPS Superslug

Vent rib Rem Choke and fully rifled^[source]Remington 870 · Fieldmaster

Vent rib Rem Choke and fully rifled^[source]Remington 870 · Fieldmaster Synthetic

Cylinder choke^[source]Remington 870 · Special Purpose Marine Magnum

Rem Choke^[source]Remington 870 · SPS Super Mag Turkey Predator

Vent rib, Rem Choke^[source]Remington 870 · Super Magnum Flyaway

Vent rib, Rem Choke^[source]Remington 870 · Super Magnum Turkey/Waterfowl Camo

Vent Rib, Rem Choke^[source]Remington 870 · Wingmaster

Fully rifled^[source]Remington 870 · Fieldmaster Fully Rifled Cantilever

—

Role	—	40 mm automatic grenade launcher ,^[source]

Source measurement	—	The 40AGL was made in 1990, followed by the 40LWAGL in 2001 (previously called the 40 mm Super Light Weight AGL).^[source]STK 40 AGL · History; only the objects and conditions stated in this passage On 19 June 2000, STK announced the release of an upgrade kit, known as the 40mm Automatic Grenade Launcher Air-Bursting System (40mm AGL-ABS), with new electronic fire control system, gun computer, muzzle programming coil, and optical sighting system.^[source]STK 40 AGL · History; only the objects and conditions stated in this passage In September 2013, Thales and ST Kinetics agreed to develop, manufacture and market ST Kinetics' 40mm low-velocity air-bursting ammunition for the Australian and New Zealand markets. ST Kinetics also announced that the company secured a total of more than US$30 million worth of international orders from Canada and United States for its 40mm ammunition in October 2013.^[source]STK 40 AGL · History; only the objects and conditions stated in this passage The 40AGL is mounted in combination with the 12.7-mm 50MG in the ST Kinetics' 40/50 cupola weapon system, installed on the M113 and Bionix. The 40AGL weighs 33 kg without mount or ammunition.^[source]STK 40 AGL · Design; only the objects and conditions stated in this passage The range of 40 mm rounds include low velocity, high velocity, less-than-lethal, camera, self-destruct, airburst and enhanced blast insensitive explosive rounds.^[source]STK 40 AGL · Design; only the objects and conditions stated in this passage In addition to 40mm grenades, it can fire Air-Bursting Munition Systems to increase firepower and lethality.^[source]STK 40 AGL · Design; only the objects and conditions stated in this passage The STK 40 AGL has an almost 6 kg lighter Mark II variant, with a barrel removal system and improved handling, performance, aesthetics and ergonomics. The components, when disassembled, consist of the operating group, barrel, receiver group, top cover group, andtrigger group.^[source]STK 40 AGL · Variants / Mark II; only the objects and conditions stated in this passage Previously called the 40 mm Super Light Weight AGL, the objective of ST Kinetics in designing the 40LWAGL was to keep the grenade launcher's weight to below 20 kg, or half the weight of conventional AGLs.^[source]STK 40 AGL · Variants / 40LWAGL; only the objects and conditions stated in this passage St Kinetics also collaborated with Australia's Metal Storm and Electro Optics System to develop a new high-speed and recoilless 40 mm grenade launcher.^[source]STK 40 AGL · Variants / Redback Lightweight; only the objects and conditions stated in this passage

Source measurement

—

The 40AGL was made in 1990, followed by the 40LWAGL in 2001 (previously called the 40 mm Super Light Weight AGL).^[source]STK 40 AGL · History; only the objects and conditions stated in this passage

On 19 June 2000, STK announced the release of an upgrade kit, known as the 40mm Automatic Grenade Launcher Air-Bursting System (40mm AGL-ABS), with new electronic fire control system, gun computer, muzzle programming coil, and optical sighting system.^[source]STK 40 AGL · History; only the objects and conditions stated in this passage

In September 2013, Thales and ST Kinetics agreed to develop, manufacture and market ST Kinetics' 40mm low-velocity air-bursting ammunition for the Australian and New Zealand markets. ST Kinetics also announced that the company secured a total of more than US$30 million worth of international orders from Canada and United States for its 40mm ammunition in October 2013.^[source]STK 40 AGL · History; only the objects and conditions stated in this passage

The 40AGL is mounted in combination with the 12.7-mm 50MG in the ST Kinetics' 40/50 cupola weapon system, installed on the M113 and Bionix. The 40AGL weighs 33 kg without mount or ammunition.^[source]STK 40 AGL · Design; only the objects and conditions stated in this passage

The range of 40 mm rounds include low velocity, high velocity, less-than-lethal, camera, self-destruct, airburst and enhanced blast insensitive explosive rounds.^[source]STK 40 AGL · Design; only the objects and conditions stated in this passage

In addition to 40mm grenades, it can fire Air-Bursting Munition Systems to increase firepower and lethality.^[source]STK 40 AGL · Design; only the objects and conditions stated in this passage

The STK 40 AGL has an almost 6 kg lighter Mark II variant, with a barrel removal system and improved handling, performance, aesthetics and ergonomics. The components, when disassembled, consist of the operating group, barrel, receiver group, top cover group, andtrigger group.^[source]STK 40 AGL · Variants / Mark II; only the objects and conditions stated in this passage

Previously called the 40 mm Super Light Weight AGL, the objective of ST Kinetics in designing the 40LWAGL was to keep the grenade launcher's weight to below 20 kg, or half the weight of conventional AGLs.^[source]STK 40 AGL · Variants / 40LWAGL; only the objects and conditions stated in this passage

St Kinetics also collaborated with Australia's Metal Storm and Electro Optics System to develop a new high-speed and recoilless 40 mm grenade launcher.^[source]STK 40 AGL · Variants / Redback Lightweight; only the objects and conditions stated in this passage

Country of origin	—	Singapore^[source]Inventory Origin column; table 8, row 40, cell 3; revision 1377789308; retrieved 2026-10-01

Reported operators	—	Reported operator · Bangladesh Reported operator · Chile Reported operator · Cyprus Reported operator · Georgia Reported operator · Indonesia Reported operator · Italy Reported operator · Mexico Reported operator · Morocco Reported operator · Nigeria Reported operator · Papua New Guinea Reported operator · Peru Reported operator · Philippines Reported operator · Singapore Reported operator · Sri Lanka Reported operator · Thailand Reported operator · Uruguay