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Primary Weapons Systems MK107 MOD 1-M 7.75in 7.62x39 Upper Rceiver M107UF01-1F

Primary Weapons Systems Complete Upper Receiver, MK107 MOD 1-M, 7.62x39, 7.75in Barrel, Pistol Length, 1-10 Twist, PWS M-LOK 6.9in Handguard, PWS Triad30, Anodized, Black, M107UF01-1F
Primary Weapons Systems Complete Upper Receiver, MK107 MOD 1-M, 7.62x39, 7.75in Barrel, Pistol Length, 1-10 Twist, PWS M-LOK 6.9in Handguard, PWS Triad30, Anodized, Black, M107UF01-1F
Primary Weapons Systems Complete Upper Receiver, MK107 MOD 1-M, 7.62x39, 7.75in Barrel, Pistol Length, 1-10 Twist, PWS M-LOK 6.9in Handguard, PWS Triad30, Anodized, Black, M107UF01-1F
Primary Weapons Systems Complete Upper Receiver, MK107 MOD 1-M, 7.62x39, 7.75in Barrel, Pistol Length, 1-10 Twist, PWS M-LOK 6.9in Handguard, PWS Triad30, Anodized, Black, M107UF01-1F
1 of 3 images
Primary Weapons Systems Complete Upper Receiver, MK107 MOD 1-M, 7.62x39, 7.75in Barrel, Pistol Length, 1-10 Twist, PWS M-LOK 6.9in Handguard, PWS Triad30, Anodized, Black, M107UF01-1F
Primary Weapons Systems Complete Upper Receiver, MK107 MOD 1-M, 7.62x39, 7.75in Barrel, Pistol Length, 1-10 Twist, PWS M-LOK 6.9in Handguard, PWS Triad30, Anodized, Black, M107UF01-1F
2 of 3 images
Primary Weapons Systems Complete Upper Receiver, MK107 MOD 1-M, 7.62x39, 7.75in Barrel, Pistol Length, 1-10 Twist, PWS M-LOK 6.9in Handguard, PWS Triad30, Anodized, Black, M107UF01-1F
Primary Weapons Systems Complete Upper Receiver, MK107 MOD 1-M, 7.62x39, 7.75in Barrel, Pistol Length, 1-10 Twist, PWS M-LOK 6.9in Handguard, PWS Triad30, Anodized, Black, M107UF01-1F
3 of 3 images
Primary Weapons Systems Complete Upper Receiver, MK107 MOD 1-M, 7.62x39, 7.75in Barrel, Pistol Length, 1-10 Twist, PWS M-LOK 6.9in Handguard, PWS Triad30, Anodized, Black, M107UF01-1F

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Questions & Answers

Product Discontinued by Manufacturer

Primary Weapons Systems MK107 MOD 1-M 7.75in 7.62x39 Upper Rceiver has been discontinued by Primary Weapons Systems and is no longer available. Our product experts have helped us select these available replacements below.You can also explore other items in the Gun Parts, AR 15 Parts, Rifle Parts, AR15 Upper Receivers yourself to try and find the perfect replacement for you!

ATTENTION! We currently do not ship this product to P.O. Boxes, AK, CA, CT, DE, HI, MA, NJ, NY, U.S. Territories, or select Colorado locations. Please see our policies for more information or a detailed list of locations.

Product Info for Primary Weapons Systems MK107 MOD 1-M 7.75in 7.62x39 Upper Rceiver

Meant to be regarded as a very good item for nearly any person, we're confident you'll appreciate the Primary Weapons Systems MK107 MOD 1-M 7.75in 7.62x39 Upper Rceiver.image

These AR15 Upper Receivers from the expert product specialists at Primary Weapons Systems are made using long lasting and reliable resources, in order to provide you with product that will be powerful for many years. Made utilizing some of the most useful available materials and design, these AR15 Upper Receivers through the product experts at Primary Weapons Systems will last you an incredibly long time.

Primary Weapons Systems has been developing top quality products for a number of years, and the Primary Weapons Systems MK107 MOD 1-M 7.75in 7.62x39 Upper Rceiver is their manner of revealing just how much they are concerned.

Here at OpticsPlanet, we ensure that it is our responsibility to receive the best solution for all of your requirements, and exhibiting the Primary Weapons Systems MK107 MOD 1-M 7.75in 7.62x39 Upper Rceiver is something that we are pleased to offer.

Package Contents:

  • Primary Weapons Systems MK107 MOD 1-M 7.75in 7.62x39 Upper Rceiver

Ammunition

1–33 / 33
Previous
Best Rated
PMC 762A Bronze 7.62x39mm 123 Gr Full Metal Jacket FMJ - 20 Rounds
PMC 762A Bronze 7.62x39mm 123 Gr Full Metal Jacket FMJ - 20 Rounds
(6)
List: $22.99 (Save 18%)
$18.89
$0.94/Round
Hornady Frontier 7.62x39mm 123 Grain Full Metal Jacket Brass Cased Rifle Ammunition
Hornady Frontier 7.62x39mm 123 Grain Full Metal Jacket Brass Cased Rifle Ammunition
As Low As (Save Up to 12%)
$23.49
$1.11 - $1.17/Round
See all 2 models
Maxim Defense Industries Short Barrel 7.62x39mm 117 grain Solid Copper Rifle Ammunition
Maxim Defense Industries Short Barrel 7.62x39mm 117 grain Solid Copper Rifle Ammunition
As Low As (Save Up to 14%)
$64.99
$3.25 - $3.45/Round
See all 2 models
Sellier & Bellot 7.62x39mm 124 Grain FMJ Brass Cased Rifle Ammo, 20 Rounds, SB76239A
Sellier & Bellot 7.62x39mm 124 Grain FMJ Brass Cased Rifle Ammo, 20 Rounds, SB76239A
(2)
List: $18.09 (Save 20%)
$14.49
$0.72/Round
Best Rated
Hornady Subsonic 7.62x39 255 Grain Sub X Brass Riffle Ammo, 20 Rounds, 80787
Hornady Subsonic 7.62x39 255 Grain Sub X Brass Riffle Ammo, 20 Rounds, 80787
(8)
List: $47.71 (Save 34%)
$31.69
$1.58/Round
Newly Added
Red Army Standard 7.62x39mm 122 Grain Full Metal Jacket Steel Cased Rifle Ammunition, 20 Rounds, AM3420
Red Army Standard 7.62x39mm 122 Grain Full Metal Jacket Steel Cased Rifle Ammunition, 20 Rounds, AM3420
$14.99
$0.75/Round
DoubleTap Ammunition Lead Free, 7.62X39, 123Gr, Solid Copper Hollow Point, 20 Round Box, CA Certified Nonlead Ammunition 739123X
DoubleTap Ammunition Lead Free, 7.62X39, 123Gr, Solid Copper Hollow Point, 20 Round Box, CA Certified Nonlead Ammunition 739123X
List: $58.00
$57.99
$2.90/Round
Nosler VMA 7.62x39mm 123 Grain Flat Base Tipped Varmageddon Brass Cased Centerfire Rifle Ammo, 20 Rounds, 60176
Nosler VMA 7.62x39mm 123 Grain Flat Base Tipped Varmageddon Brass Cased Centerfire Rifle Ammo, 20 Rounds, 60176
List: $35.95 (Save $2.96)
$32.99
$1.65/Round
On Sale
Hornady Black, 7.62x39mm, 111 Grain, Monoflex SBR Centerfire, Rifle Ammo, 20 Rounds, 80788-20RD
Hornady Black, 7.62x39mm, 111 Grain, Monoflex SBR Centerfire, Rifle Ammo, 20 Rounds, 80788-20RD
List: $52.39 (Save 37%)
$33.19
$1.66/Round
Best Rated
Norma Tactical 7.62x39mm 124g Grain Full Metal Jacket Brass Rifle Ammunition, 20 Rounds, 295540020
Norma Tactical 7.62x39mm 124g Grain Full Metal Jacket Brass Rifle Ammunition, 20 Rounds, 295540020
(42)
List: $19.99 (Save 28%)
$14.49
$0.72/Round
Federal Premium Power-Shok 7.62x39 mm 123 Grain Jacketed Soft Point Rifle Ammo, 20 Rounds, 76239B
Federal Premium Power-Shok 7.62x39 mm 123 Grain Jacketed Soft Point Rifle Ammo, 20 Rounds, 76239B
(1)
List: $47.99 (Save 18%)
$39.49
$1.97/Round
Nosler 7.62x39mm 123 Grain Ballistic Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 40069
Nosler 7.62x39mm 123 Grain Ballistic Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 40069
List: $50.95 (Save 17%)
$42.19
$2.11/Round
Hornady American Gunner 7.62x39 mm 123 grain Hollow Point Brass Cased Centerfire Rifle Ammo, 50 Rounds, 80786
Hornady American Gunner 7.62x39 mm 123 grain Hollow Point Brass Cased Centerfire Rifle Ammo, 50 Rounds, 80786
List: $100.67 (Save 24%)
$76.49
$1.53/Round
SUPERNOVA 7.62x39mm 110 Grain Full Metal Jacket Green/Red Tracer Rifle Ammo, 6 Rounds, PMSN762-MP
SUPERNOVA 7.62x39mm 110 Grain Full Metal Jacket Green/Red Tracer Rifle Ammo, 6 Rounds, PMSN762-MP
(1)
List: $27.99 (Save 46%)
$14.99
$2.50/Round
On Sale
Fort Scott Munitions, 7.62x39mm, 117 grain, Copper Solid, Brass, Centerfire Rifle Ammo, 20, 762X39-117-SCV
Fort Scott Munitions, 7.62x39mm, 117 grain, Copper Solid, Brass, Centerfire Rifle Ammo, 20, 762X39-117-SCV
(4)
List: $36.68 (Save 18%)
$29.99
$1.50/Round
Supernova Red Tracer 7.62x39mm 110 Grain Full Metal Jacket Rifle Ammo, 20 Rounds, PMSN762R
Supernova Red Tracer 7.62x39mm 110 Grain Full Metal Jacket Rifle Ammo, 20 Rounds, PMSN762R
List: $61.99 (Save 22%)
$48.49
$2.42/Round
Nosler 7.62x39mm 123 Grain E-Tip Boat Tail Brass Cased Centerfire Rifle Ammo, 20 Rounds, 40040
Nosler 7.62x39mm 123 Grain E-Tip Boat Tail Brass Cased Centerfire Rifle Ammo, 20 Rounds, 40040
List: $84.45 (Save 26%)
$62.49
$3.12/Round
MAXXTECH Tulammo 7.62x39mm 123 Grain Full Metal Jacket Rifle Ammo, 50 Rounds, MTNFR762
MAXXTECH Tulammo 7.62x39mm 123 Grain Full Metal Jacket Rifle Ammo, 50 Rounds, MTNFR762
List: $70.88 (Save 40%)
$42.49
$0.85/Round
Red Army Standard BSP 7.62x39mm 122 Grain Full Metal Jacket Steel Cased Rifle Ammunition
Red Army Standard BSP 7.62x39mm 122 Grain Full Metal Jacket Steel Cased Rifle Ammunition
As Low As (Save Up to 36%)
$12.49
$0.58 - $0.62/Round
See all 2 models
PPU 7.62x39mm 0 grain Brass Cased Blank Ammo, 15 Rounds, PPB739
PPU 7.62x39mm 0 grain Brass Cased Blank Ammo, 15 Rounds, PPB739
List: $19.99 (Save 25%)
$14.99
$1.00/Round
Best Rated
Hornady BLACK 7.62x39 mm 123 grain Super Shock Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80784
Hornady BLACK 7.62x39 mm 123 grain Super Shock Tip Brass Cased Centerfire Rifle Ammo, 20 Rounds, 80784
(12)
List: $45.40 (Save 17%)
$37.49
$1.87/Round
Century Arms Kaiser 7.62x39mm 123 Grain Full Metal Jacket Steel Cased Rifle Ammo, 20 Rounds, AM8313
Century Arms Kaiser 7.62x39mm 123 Grain Full Metal Jacket Steel Cased Rifle Ammo, 20 Rounds, AM8313
List: $17.49 (Save 26%)
$12.99
$0.65/Round
Best Rated
Belom 7.62x39mm, 123 Grain, Full Metal Jacket FMJ, Brass Cased, Non-Corrosive, Boxer Primed, Centerfire Rifle Ammo, 20 Rounds, 8606110608093
Belom 7.62x39mm, 123 Grain, Full Metal Jacket FMJ, Brass Cased, Non-Corrosive, Boxer Primed, Centerfire Rifle Ammo, 20 Rounds, 8606110608093
(10)
List: $27.99 (Save 50%)
$13.99
$0.70/Round
Fiocchi Range Dynamics 7.62x39mm 123 Grain FMJ Brass Rifle Ammo, 50 Rounds, 762X39A
Fiocchi Range Dynamics 7.62x39mm 123 Grain FMJ Brass Rifle Ammo, 50 Rounds, 762X39A
(3)
List: $45.99 (Save 11%)
$40.99
$0.82/Round
Ppu Ammo Subsonic 7.62x39 182gr. Fmj 20-pack
Ppu Ammo Subsonic 7.62x39 182gr. Fmj 20-pack
(2)
List: $34.99 (Save 27%)
$25.49
$1.27/Round
Winchester Super-X RIFLE 7.62x39 mm 123 grain Power-Point Brass Cased Centerfire Rifle Ammo, 20 Rounds, X76239
Winchester Super-X RIFLE 7.62x39 mm 123 grain Power-Point Brass Cased Centerfire Rifle Ammo, 20 Rounds, X76239
(4)
List: $59.99 (Save 38%)
$37.49
$1.87/Round
Wolf Ammo Military Classic Centerfire Rifle Ammo, 7.62x39mm, 124 grain, Full Metal Jacket, BiMetal Case, 20 Rounds, MC762BFMJ-BX
Wolf Ammo Military Classic Centerfire Rifle Ammo, 7.62x39mm, 124 grain, Full Metal Jacket, BiMetal Case, 20 Rounds, MC762BFMJ-BX
List: $25.99 (Save 29%)
$18.49
$0.92/Round
Supernova Green Tracer 7.62x39mm 110 Grain Full Metal Jacket Rifle Ammo, 20 Rounds, PMSN762G
Supernova Green Tracer 7.62x39mm 110 Grain Full Metal Jacket Rifle Ammo, 20 Rounds, PMSN762G
List: $61.99 (Save 15%)
$52.49
$2.62/Round
Sellier & Bellot 7.62x39 124 Grain Soft Point Rifle Ammo, 20 Rounds, SB76239B
Sellier & Bellot 7.62x39 124 Grain Soft Point Rifle Ammo, 20 Rounds, SB76239B
(1)
List: $18.09 (Save 12%)
$15.99
$0.80/Round
Winchester Deer Season XP LINE EXTENSIONS 7.62x39 mm 123 grain Extreme Point Polymer Tip Centerfire Rifle Ammo, 20 Rounds, X76239DS
Winchester Deer Season XP LINE EXTENSIONS 7.62x39 mm 123 grain Extreme Point Polymer Tip Centerfire Rifle Ammo, 20 Rounds, X76239DS
(2)
List: $61.95 (Save 34%)
$40.99
$2.05/Round
PPU TR&Z PP739P Metric Rifle Rifle Line 7.62x39mm 123 gr Pointed Soft Point PSP 20 Per Box/ 50 Cs, PP739P
PPU TR&Z PP739P Metric Rifle Rifle Line 7.62x39mm 123 gr Pointed Soft Point PSP 20 Per Box/ 50 Cs, PP739P
List: $23.00 (Save $2.01)
$20.99
$1.05/Round
Wolf Ammo Polyformance Centerfire Rifle Ammo, 7.62x39mm, 123 grain, Full Metal Jacket, BiMetal Case, 20 Rounds, 762BFMJ
Wolf Ammo Polyformance Centerfire Rifle Ammo, 7.62x39mm, 123 grain, Full Metal Jacket, BiMetal Case, 20 Rounds, 762BFMJ
List: $25.99 (Save 29%)
$18.49
$0.92/Round
Best Rated
Igman 7.62x39mm 123 Grain Full Metal Jacket Brass Cased Rifle Ammo, 15 Rounds, IG76239
Igman 7.62x39mm 123 Grain Full Metal Jacket Brass Cased Rifle Ammo, 15 Rounds, IG76239
(6)
List: $22.95 (Save 41%)
$13.49
$0.90/Round
Next

Ammo Boxes

1–1 / 1
Previous
Best Rated
Frankford Arsenal Reloading Tools Hinge-Top Ammo Box, #512, 22BR, 6.8 Rem SPC, 7.62x39 50 ct., 1083793
Frankford Arsenal Reloading Tools Hinge-Top Ammo Box, #512, 22BR, 6.8 Rem SPC, 7.62x39 50 ct., 1083793
(11)
List: $7.89 (Save 30%)
$5.49
Next

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Primary Weapons Systems MK107 MOD 1-M 7.75in 7.62x39 Upper Rceiver Unavailable & Discontinued Models

List of Unorderable Models

  • Primary Weapons Systems MK107 MOD 1-M Upper Rceiver, 7.62x39, 7.75in, 1-10 Twist, 3-Setting Adjustable Gas System, Black, M107UF01-1F , MPN: M107UF01-1F , Code: 2D5-UFH-MK107M-M107UF01-1F
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Last updated 2026-07-07 UTC.