Diamondback Gun Parts

Current Deals & Offers

Palmetto State Armory Updated Oct 26, 2026

13% OFF

Diamondback DB380 6rd Flat Bottom Magazine - Black G10

$20.99 $23.99

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Palmetto State Armory Updated Oct 26, 2026

10% OFF

Diamondback Firearms Barrel - Black, Unleash Precision and Performance - 762X39P7H50B95R

$87.99 $97.99

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Palmetto State Armory Updated Oct 26, 2026

10% OFF

Diamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308R18M50B10R

$136.99 $152.99

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Palmetto State Armory Updated Oct 26, 2026

10% OFF

Diamondback Firearms AR-10 308 Win 16" 1:10 Twist Barrel, Black Nitride Finish - 308M16L50B10R

$142.99 $158.99

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Guns.com Updated Oct 26, 2026

15% OFF

Diamondback DBAM29

$19.54 $22.99

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Guns.com Updated Oct 26, 2026

15% OFF

Diamondback DB380

$18.69 $21.99

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Guns.com Updated Oct 26, 2026

15% OFF

Diamondback DBAM29

$22.94 $26.99

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Guns.com Updated Oct 26, 2026

21% OFF

Diamondback DBAM29

$22.94 $29.00

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GrabAGun Updated Oct 26, 2026

20% OFF

Diamondback DB15 Combo 5.56 NATO/.300 AAC Blackout 16 Barrel 30-Rounds Includes Complete Upper

$899.99 $1120.10

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GrabAGun Updated Oct 26, 2026

25% OFF

Diamondback DB15 CA Compliant AR 15 5.56 NATO/.223 Rem 16 Barrel 10-Rounds

$809.99 $1086.00

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GrabAGun Updated Oct 26, 2026

24% OFF

Diamondback DIAMOND Flat Dark Earth 5.56NATO 16 Barrel 30-Rounds

$1139.99 $1502.00

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GrabAGun Updated Oct 26, 2026

24% OFF

Diamondback DB15 Midnight Bronze 5.56 NATO 16 Barrel 30-Rounds

$1139.99 $1502.00

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GrabAGun Updated Oct 26, 2026

26% OFF

Diamondback DB15 AR 15 5.56/.223 Rem 16 Barrel 30-Rounds Optic Ready

$1069.99 $1441.00

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GrabAGun Updated Oct 26, 2026

22% OFF

Diamondback DB15 5.56 NATO/.223 Rem 16 Barrel 30-Rounds M-LOK Handguard

$789.99 $1014.00

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GrabAGun Updated Oct 26, 2026

24% OFF

Diamondback DB15 Version 2 AR 15 Burnt Bronze 5.56 NATO/.223 Rem 16 Barrel 30-Rounds

$659.99 $863.00

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GrabAGun Updated Oct 26, 2026

22% OFF

Diamondback DB15 .300 AAC Blackout 16 Barrel 30-Rounds M-LOK

$789.99 $1014.00

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GrabAGun Updated Oct 26, 2026

23% OFF

Diamondback DB15 Midnight Bronze 5.56 NATO 16 Barrel 30-Rounds Adjustable Stock

$829.99 $1075.00

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GrabAGun Updated Oct 26, 2026

23% OFF

Diamondback DB15 6.5 Grendel 18 Barrel 5-Rounds

$809.99 $1050.00

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GrabAGun Updated Oct 26, 2026

24% OFF

Diamondback DB15 AR 15 Flat Dark Earth 5.56NATO 16 Barrel 30-Rounds

$819.99 $1075.00

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GrabAGun Updated Oct 26, 2026

22% OFF

Diamondback DB15 AR 15 5.56/.223 Rem 16 Barrel 30-Rounds A2 Grip

$559.99 $722.00

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GrabAGun Updated Oct 26, 2026

24% OFF

Diamondback DB15 Black AR 15 5.56/.223 Rem 16 Barrel 30-Rounds 10 Handguard

$619.99 $814.00

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GrabAGun Updated Oct 26, 2026

27% OFF

Diamondback Magazine 380/32NAA 6rd BL Flat Bottom

$18.99 $25.99

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GrabAGun Updated Oct 26, 2026

23% OFF

Diamondback Magazine DB380 6rd Black with Finger Extension

$19.89 $25.99

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GrabAGun Updated Oct 26, 2026

10% OFF

Diamondback DB9 Magazine 9mm 6-Rounds

$21.59 $24.00

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GrabAGun Updated Oct 26, 2026

22% OFF

Diamondback DBAM29 Magazine 9mm 12-Rounds

$20.39 $26.00

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GrabAGun Updated Oct 26, 2026

20% OFF

Diamondback AM29 Magazine 9mm 17-Rounds

$23.29 $29.00

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GrabAGun Updated Oct 26, 2026

37% OFF

Diamondback Pro Mag Industries Five Seven 20rd Black

$27.89 $43.99

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GrabAGun Updated Oct 26, 2026

27% OFF

Diamondback Magazine 9mm 6rd BL Flat Bottom

$18.99 $25.99

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GrabAGun Updated Oct 26, 2026

26% OFF

Diamondback DB15 5.56 NATO 16 Barrel 30-Rounds M-LOK Handguard

$519.99 $700.00

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GrabAGun Updated Oct 26, 2026

24% OFF

Diamondback DB9R 9mm 16 Barrel 32-Rounds

$719.99 $952.00

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GrabAGun Updated Oct 26, 2026

17% OFF

Diamondback DB15 OD Green / FDE 5.56 16 Barrel 30-Rounds

$847.00 $1015.00

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GrabAGun Updated Oct 26, 2026

21% OFF

Diamondback DB15 OD Green 5.56 / .223 Rem 16 Barrel 30-Rounds 1 Mag

$589.99 $750.00

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GrabAGun Updated Oct 26, 2026

21% OFF

Diamondback DB15 5.56 16 Barrel 30-Rounds w/ Magpul CTR Stock & K2 Grip

$919.99 $1162.00

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GrabAGun Updated Oct 26, 2026

17% OFF

Diamondback Diamond DB15 OD Green 5.56 16 Barrel 30-Rounds

$1014.00 $1216.00

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GrabAGun Updated Oct 26, 2026

17% OFF

Diamondback Diamond DB15 Flat Dark Earth 5.56 16 Barrel 30-Rounds

$1014.00 $1216.00

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GrabAGun Updated Oct 26, 2026

9% OFF

Diamondback Carbon DB15 ODG / MultiCam 5.56 / .223 Rem 16 Barrel 30-Rounds

$699.99 $772.00

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GrabAGun Updated Oct 26, 2026

6% OFF

Diamondback DB Barrel .300 AAC Blackout 10 Barrel Pistol-Length

$90.69 $96.00

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GrabAGun Updated Oct 26, 2026

10% OFF

Diamondback DB Barrel 5.56 / .223 Rem 16 Barrel Mid Length

$95.89 $106.00

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GrabAGun Updated Oct 26, 2026

4% OFF

Diamondback DB Barrel .308 Win 13.5 Barrel Mid-Length

$129.99 $136.00

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GrabAGun Updated Oct 26, 2026

8% OFF

Diamondback DB Barrel .308 Win 16 Barrel Mid Length

$129.99 $142.00

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GrabAGun Updated Oct 26, 2026

Diamondback DB Barrel 5.56 10 Barrel

$93.69 $94.00

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GrabAGun Updated Oct 26, 2026

3% OFF

Diamondback DB Barrel 300 Blackout 16 Pistol-Length

$109.99 $113.00

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GrabAGun Updated Oct 26, 2026

17% OFF

Diamondback Carbon DB15 Rifle OD Green 5.56 16 Barrel 30-Rounds

$672.00 $806.00

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GrabAGun Updated Oct 26, 2026

22% OFF

Diamondback Carbon DB15 Rifle OD Green .300 AAC Blackout 16 Barrel 30-Rounds

$672.00 $862.00

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GrabAGun Updated Oct 26, 2026

13% OFF

Diamondback DB15 .300 AAC Blackout 16 Barrel 30-Rounds Gen 3 Mag

$685.00 $788.00

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GrabAGun Updated Oct 26, 2026

13% OFF

Diamondback Carbon DB15 Flat Dark Earth .300 AAC Blackout 16 Barrel 30-Rounds

$733.00 $843.00

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GrabAGun Updated Oct 26, 2026

17% OFF

Diamondback Obsidian DB15 Jungle Green 5.56 16 Barrel 30-Rounds

$1014.00 $1216.00

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GrabAGun Updated Oct 26, 2026

21% OFF

Diamondback DB10 Flat Dark Earth .308 Win 16 Barrel 20-Rounds M-LOK Handguard

$929.99 $1175.00

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GrabAGun Updated Oct 26, 2026

25% OFF

Diamondback DB10 .308 Win 18 Barrel 20-Rounds M-LOK Handguard

$1049.99 $1406.00

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GrabAGun Updated Oct 26, 2026

24% OFF

Diamondback DB10 Midnight Bronze .308 Win 18 Barrel 20-Rounds Muzzle Brake

$1409.99 $1858.00

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GrabAGun Updated Oct 26, 2026

24% OFF

Diamondback DB10 6.5 Creedmoor 20 Barrel 20-Rounds Muzzle Brake

$1509.99 $1992.00

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GrabAGun Updated Oct 26, 2026

16% OFF

Diamondback DB10 Black .308 Win 20 Barrel 20-Rounds w/ Magpul MOE K Grip

$1022.00 $1211.00

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GrabAGun Updated Oct 26, 2026

24% OFF

Diamondback DB10 Midnight Bronze .308 Win 18 Barrel 20-Rounds CTR Stock

$1119.99 $1477.00

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GrabAGun Updated Oct 26, 2026

26% OFF

Diamondback DB10 6.5 Creedmoor 20 Barrel 5-Rounds

$1189.99 $1600.00

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GrabAGun Updated Oct 26, 2026

24% OFF

Diamondback DB10 .308 Win 18 Barrel 20-Rounds w/ Magpul ACS-L Stock

$1359.99 $1798.00

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GrabAGun Updated Oct 26, 2026

24% OFF

Diamondback DB10 Flat Dark Earth 6.5 Creedmoor 20 Barrel 20-Round & 5-Round

$1559.99 $2054.00

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GrabAGun Updated Oct 26, 2026

19% OFF

Diamondback DB15 5.56 16 Barrel 30-Rounds w/ Magpul CTR

$1256.00 $1547.00

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GrabAGun Updated Oct 26, 2026

20% OFF

Diamondback DB10 .308 Win 16 Barrel 20-Rounds

$889.99 $1119.00

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GrabAGun Updated Oct 26, 2026

14% OFF

Diamondback Carbon DB10 Jesse James Civil Defense Blue .308 Win 16 Barrel 20-Rounds

$1008.00 $1175.00

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TLO Outdoors Updated Oct 26, 2026

Diamondback 18" 6.5 Grendel AR-15 Barrel, Mid-Length Gas, Black Nitride 4150 CMV 65M18M50B8R

$150.98 $151.20

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TLO Outdoors Updated Oct 26, 2026

3% OFF

Diamondback DB 6.5 Creedmoor 20in Fluted 416R Stainless Rifle-Length Barrel 65CR20M416SS8FR

$194.98 $201.60

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GrabAGun Updated Oct 26, 2026

13% OFF

Diamondback DB15 5.56 16 Barrel 30-Rounds 12 M-LOK Handguard

$479.99 $553.00

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GrabAGun Updated Oct 26, 2026

20% OFF

Diamondback DB15 .300 AAC Blackout 16 Barrel 30-Rounds Magpul MOE Stock

$559.99 $700.00

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GrabAGun Updated Oct 26, 2026

5% OFF

Diamondback DB15 Carbon OD Green .300 AAC Blackout 16 Barrel 30-Rounds

$699.99 $735.00

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GrabAGun Updated Oct 26, 2026

14% OFF

Diamondback DB15 Carbon Jesse James Blue 5.56 / .223 Rem 16 Barrel 30-Rounds

$659.99 $766.00

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GrabAGun Updated Oct 26, 2026

14% OFF

Diamondback DB15 Carbon Burnt Bronze .300 AAC Blackout 16 Barrel 30-Rounds

$669.99 $780.00

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GrabAGun Updated Oct 26, 2026

15% OFF

Diamondback DB15 Carbon Tiger Stripe 5.56 / .223 Rem 16 Barrel 30-Rounds

$699.99 $828.00

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GrabAGun Updated Oct 26, 2026

13% OFF

Diamondback DB15 .223 Wylde 18 Stainless Barrel 30-Rounds

$734.00 $844.00

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GrabAGun Updated Oct 26, 2026

17% OFF

Diamondback DB15 Brown / Tan 5.56 16 Barrel 30-Rounds

$1014.00 $1216.00

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GrabAGun Updated Oct 26, 2026

14% OFF

Diamondback Diamond DB15 Copperhead .223 Wylde 18 Barrel 30-Rounds

$1159.99 $1349.00

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GrabAGun Updated Oct 26, 2026

17% OFF

Diamondback DB15 American Flag 5.56 / .223 Rem 16 Threaded Barrel 30-Rounds w/ MagPul MOE K2

$738.00 $885.00

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GrabAGun Updated Oct 26, 2026

16% OFF

Diamondback DB15 Obsidian 6mm ARC 18 Threaded Barrel 26-Rounds

$919.99 $1092.00

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GrabAGun Updated Oct 26, 2026

15% OFF

Diamondback DB15 Flat Dark Earth 5.56 16 Barrel 30-Rounds

$669.99 $787.00

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GrabAGun Updated Oct 26, 2026

6% OFF

Diamondback DB15 Carbon 5.56 16 Barrel 30-Rounds

$678.00 $723.00

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GrabAGun Updated Oct 26, 2026

4% OFF

Diamondback DB Barrel for Diamondback Rifles .308 Win 18 Threaded Barrel

$129.99 $136.00

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