Proof Research AR-15 Parts & Accessories
PROOF Research is a Montana company known for carbon fiber wrapped barrels that cut a lot of weight. AR and precision builders pick them for light, accurate barrels that are supposed to handle heat well.
Manufacturing origin: Made in USA.
Market positioning: Duty / Professional.
Proof Research has 1158 products available on GunPartPicker, ranging from $6.99 to $7299.00.
Proof Research Product Categories
- Barrel: 1157 products
- Complete Rifle: 1 product
Stock status: 376 in stock, 782 out of stock.
Proof Research
1-16 of 1,157 results
1-16 of 1,157 results
Proof Research
Proof Research, Inc 223 Wylde 1-7 Twist 18" Carbon Fiber Barrel
Caliber: 5.56 NATO
Gas System: Rifle
Length: 26
Twist: 1:8
Contour: Lightweight
Caliber
5.56 NATO
Gas System
Rifle
Length
26
Twist
1:8
Contour
Lightweight
$899$899
In Stock$899$899
In Stock
Proof Research
Proof Research 6mm Arc Ar-Type Ar-15 Barrel - Rifle Length - Stainless Steel - .750" - 18"
4.0 (1 review)
Caliber: 6mm ARC
Gas System: Rifle
Length: 18
Twist: 1:7 5R
Contour: SPR
Caliber
6mm ARC
Gas System
Rifle
Length
18
Twist
1:7 5R
Contour
SPR
$569$569
In Stock$569$569
In Stock
Proof Research
Proof Research .223 Wylde Ar-Type Ar-15 Barrel - Mid Length - Stainless Steel - .750" - 16"
Caliber: .223 Wylde
Gas System: Mid-Length
Length: 16
Twist: 1:7
Contour: SPR
Caliber
.223 Wylde
Gas System
Mid-Length
Length
16
Twist
1:7
Contour
SPR
$438$438
In Stock$438$438
In Stock
Proof Research
Proof Research 6mm Arc Ar-Type Ar-15 Barrel - Rifle Length - Stainless Steel - .750" - 16"
Caliber: 6mm ARC
Gas System: Rifle
Length: 16
Twist: 1:7
Contour: SPR
Caliber
6mm ARC
Gas System
Rifle
Length
16
Twist
1:7
Contour
SPR
$493$493
In Stock$493$493
In Stock
Proof Research
Proof Research 11.50" Stainless AR-Type Barrel for AR-Style Rifles - Elevate Your Accuracy - 100387
Caliber: .308 Win
Length: 24
Twist: 1:7
Contour: M4
Caliber
.308 Win
Length
24
Twist
1:7
Contour
M4
$475$475
In Stock$475$475
In Stock
Proof Research
Superior Stainless Performance - Proof Research 12.50" AR-Type Barrel for AR-Style Rifles - 100530
Caliber: .308 Win
Gas System: Pistol
Length: 28
Twist: 1:7
Caliber
.308 Win
Gas System
Pistol
Length
28
Twist
1:7
$649$649
In Stock$649$649
In Stock
Proof Research
Bolt-Action 264 Caliber Carbon Fiber Barrels - 264 Caliber 1-8 Twist 24'''' Carbon Fiber Sendero Barrel
Caliber: 6.5mm/.264
Length: 24
Twist: 1:8
Caliber
6.5mm/.264
Length
24
Twist
1:8
$700$700
In Stock$700$700
In Stock
Proof Research
Proof Research AR-Type Barrel 12.50" for AR-Style, Natural - 100523
Caliber: .308 Win
Gas System: Pistol
Length: 20
Twist: 1:7
Contour: Lightweight
Caliber
.308 Win
Gas System
Pistol
Length
20
Twist
1:7
Contour
Lightweight
$951$951
In Stock$951$951
In Stock
Proof Research
Proof Research PR15 Carbon Fiber Barrel 6mm ARC 16 in Rifle Length 5/8x24 Thread 1-7.5 Twist 4 Groove Carbon Fiber
Caliber: 6mm ARC
Gas System: Rifle
Length: 16
Caliber
6mm ARC
Gas System
Rifle
Length
16
$949$949
In Stock$949$949
In Stock
Proof Research
6.5 PRC 7.5 Twist 24" Carbon Fiber Sendero Barrel
Length: 24
Twist: 1:7
Contour: Heavy
Length
24
Twist
1:7
Contour
Heavy
$939$939
In Stock$939$939
In Stock
Proof Research
Proof Research 134467 Sig Cross Carbon Fiber Pre-Fit Barrel .308 Win 16"
Caliber: .308 Win
Length: 16
Caliber
.308 Win
Length
16
$927$927
In Stock$927$927
In Stock
Proof Research
PROOF 136409 ASCENSION 7MM 24 8.4TW 5/8-24 TFDE
Length: 24
Length
24
$6,050$6,050
In Stock$6,050$6,050
In Stock
Proof Research
PROOF BBL CF BLANK BOLT .224 SENDERO 20 1-7
Caliber: .224 Valkyrie
Length: 20
Twist: 1:7
Caliber
.224 Valkyrie
Length
20
Twist
1:7
$14$14
In Stock$14$14
In Stock
Proof Research
Proof Research 105351 Carbon Fiber Bolt Action 264 Win Mag 24" Barrel Blank with Sendero Light Contour
Length: 24
Twist: 1:8
Length
24
Twist
1:8
$799$799
In Stock$799$799
In Stock
Proof Research
Proof Research PR15 Stainless Steel Barrel 6mm ARC 20in Rifle+1 Length 1-7.5 Twist 5/8-24 Thread Standart 4 Groove
Caliber: 6mm ARC
Gas System: Rifle
Length: 20
Caliber
6mm ARC
Gas System
Rifle
Length
20
$493$493
In Stock$493$493
In Stock
Proof Research
Proof Research Zermatt Arms Carbon Fiber Pre-fit Barrels 6CM 24in Origin Short 7.5 Twist 5/8-24 Sendero
Caliber: 6.5 Creedmoor
Length: 24
Caliber
6.5 Creedmoor
Length
24
$830$830
In Stock$830$830
In StockProof Research
Proof Research, Inc 223 Wylde 1-7 Twist 18" Carbon Fiber Barrel
Caliber: 5.56 NATO
Gas System: Rifle
Length: 26
Twist: 1:8
Contour: Lightweight
Caliber
5.56 NATO
Gas System
Rifle
Length
26
Twist
1:8
Contour
Lightweight
In Stock
$899$899
$899$899
Proof Research
Proof Research 6mm Arc Ar-Type Ar-15 Barrel - Rifle Length - Stainless Steel - .750" - 18"
4.0 (1 review)
Caliber: 6mm ARC
Gas System: Rifle
Length: 18
Twist: 1:7 5R
Contour: SPR
Caliber
6mm ARC
Gas System
Rifle
Length
18
Twist
1:7 5R
Contour
SPR
In Stock
$569$569
$569$569
Proof Research
Proof Research .223 Wylde Ar-Type Ar-15 Barrel - Mid Length - Stainless Steel - .750" - 16"
Caliber: .223 Wylde
Gas System: Mid-Length
Length: 16
Twist: 1:7
Contour: SPR
Caliber
.223 Wylde
Gas System
Mid-Length
Length
16
Twist
1:7
Contour
SPR
In Stock
$438$438
$438$438
Proof Research
Proof Research 6mm Arc Ar-Type Ar-15 Barrel - Rifle Length - Stainless Steel - .750" - 16"
Caliber: 6mm ARC
Gas System: Rifle
Length: 16
Twist: 1:7
Contour: SPR
Caliber
6mm ARC
Gas System
Rifle
Length
16
Twist
1:7
Contour
SPR
In Stock
$493$493
$493$493
Proof Research
Proof Research 11.50" Stainless AR-Type Barrel for AR-Style Rifles - Elevate Your Accuracy - 100387
Caliber: .308 Win
Length: 24
Twist: 1:7
Contour: M4
Caliber
.308 Win
Length
24
Twist
1:7
Contour
M4
In Stock
$475$475
$475$475
Proof Research
Superior Stainless Performance - Proof Research 12.50" AR-Type Barrel for AR-Style Rifles - 100530
Caliber: .308 Win
Gas System: Pistol
Length: 28
Twist: 1:7
Caliber
.308 Win
Gas System
Pistol
Length
28
Twist
1:7
In Stock
$649$649
$649$649
Proof Research
Bolt-Action 264 Caliber Carbon Fiber Barrels - 264 Caliber 1-8 Twist 24'''' Carbon Fiber Sendero Barrel
Caliber: 6.5mm/.264
Length: 24
Twist: 1:8
Caliber
6.5mm/.264
Length
24
Twist
1:8
In Stock
$700$700
$700$700
Proof Research
Proof Research AR-Type Barrel 12.50" for AR-Style, Natural - 100523
Caliber: .308 Win
Gas System: Pistol
Length: 20
Twist: 1:7
Contour: Lightweight
Caliber
.308 Win
Gas System
Pistol
Length
20
Twist
1:7
Contour
Lightweight
In Stock
$951$951
$951$951
Proof Research
Proof Research PR15 Carbon Fiber Barrel 6mm ARC 16 in Rifle Length 5/8x24 Thread 1-7.5 Twist 4 Groove Carbon Fiber
Caliber: 6mm ARC
Gas System: Rifle
Length: 16
Caliber
6mm ARC
Gas System
Rifle
Length
16
In Stock
$949$949
$949$949
Proof Research
6.5 PRC 7.5 Twist 24" Carbon Fiber Sendero Barrel
Length: 24
Twist: 1:7
Contour: Heavy
Length
24
Twist
1:7
Contour
Heavy
In Stock
$939$939
$939$939
Proof Research
Proof Research 134467 Sig Cross Carbon Fiber Pre-Fit Barrel .308 Win 16"
Caliber: .308 Win
Length: 16
Caliber
.308 Win
Length
16
In Stock
$927$927
$927$927
Proof Research
PROOF 136409 ASCENSION 7MM 24 8.4TW 5/8-24 TFDE
Length: 24
Length
24
In Stock
$6,050$6,050
$6,050$6,050
Proof Research
PROOF BBL CF BLANK BOLT .224 SENDERO 20 1-7
Caliber: .224 Valkyrie
Length: 20
Twist: 1:7
Caliber
.224 Valkyrie
Length
20
Twist
1:7
In Stock
$14$14
$14$14
Proof Research
Proof Research 105351 Carbon Fiber Bolt Action 264 Win Mag 24" Barrel Blank with Sendero Light Contour
Length: 24
Twist: 1:8
Length
24
Twist
1:8
In Stock
$799$799
$799$799
Proof Research
Proof Research PR15 Stainless Steel Barrel 6mm ARC 20in Rifle+1 Length 1-7.5 Twist 5/8-24 Thread Standart 4 Groove
Caliber: 6mm ARC
Gas System: Rifle
Length: 20
Caliber
6mm ARC
Gas System
Rifle
Length
20
In Stock
$493$493
$493$493
Proof Research
Proof Research Zermatt Arms Carbon Fiber Pre-fit Barrels 6CM 24in Origin Short 7.5 Twist 5/8-24 Sendero
Caliber: 6.5 Creedmoor
Length: 24
Caliber
6.5 Creedmoor
Length
24
In Stock
$830$830
$830$830
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