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300 BLK Complete Uppers

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In stock

Ar15 300 BLK Complete Uppers – B. King’s Firearms

Showing all 53 results

Pin & Weld Flash hider/Brake
Rated 5.00 out of 5
$30.00
84 in stock
ADD Headspaced AR15 BCG and Charging Handle – Black Nitride
Rated 4.98 out of 5
$99.99 – $119.99
in stock
AR15 BCG and Ambi Charging Handle – Black Nitride
Rated 5.00 out of 5
$129.99
29 in stock
BKF AR15 10.5″ 300 Blackout Pistol length 1/7 Twist Barrel W/ 10″ M-LOK Handguard
$225.00
Out of stock
BKF AR15 16″ 300 BLackout 1/7 Twist Pistol Length Barrel W/ 13.5″ Slim M-LOK Rail
Rated 5.00 out of 5
$239.99
17 in stock
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel W/ 10″ M-LOK Handguard W/ KAK Micro Flash Can
$240.00
8 in stock
BKF AR15 8″ 300 BLK 1/7 Twist Pistol Length Barrel W/ 7″ Slim M-LOK Rail
$244.99
15 in stock
BKF AR15 9″ 300 BLK 1/7 Twist Pistol Length Barrel W/ 7″ Slim M-LOK Rail
$244.99
15 in stock
BKF AR15 6″ 300 BLK 1/7 Twist Pistol Length Barrel W/ 7″ Slim M-LOK Rail
$267.99
15 in stock
BKF AR15 10.5″ 300 BLK 1/7 Twist 4150 Heavy Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can
Rated 5.00 out of 5
$269.99
Out of stock
BKF AR15 8″ 300 BLK 1/7 Twist Pistol Length Barrel W/ 9.875″ Slim M-LOK Rail
$269.99
15 in stock
BKF AR15 9″ 300 BLK 1/7 Twist Pistol Length Barrel W/ 9.875″ Slim M-LOK Rail
$269.99
15 in stock
BKF M4 MOD-0 6″ 300 BLK Pistol length 1/7 Twist Barrel w/ 5.5″ Hybrid M-LOK Handguard (BKF)
Rated 5.00 out of 5
$275.99
Out of stock
BKF AR15 10.5″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.875″ FFSSR M-LOK Handguard
Rated 5.00 out of 5
$290.99
Out of stock
BKF AR15 7.5″ 300 Blackout 1/8 Twist Gunner Barrel W/ 7.25″ Hybrid M-LOK Rail W/ KAK Micro Flash Can (Faxon)
Rated 5.00 out of 5
$299.99
Out of stock
BKF M4 MOD-0 6″ 300 BLK Pistol length 1/7 Twist Barrel w/ 5.5″ Hybrid M-LOK Handguard (BKF W/ Pinned Gas Block)
$299.99
Out of stock
BKF M4 MOD-0 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
$300.59
3 in stock
BKF M4 MOD-0 8″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.25″ Hybrid M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
$305.19
Out of stock
BKF AR15 10.5″ 300 BLK 1/7 Twist 4150 Heavy Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can
Rated 5.00 out of 5
$309.99
Out of stock
BKF M4 MOD-0 10″ 300 BLK 1/7 Twist 4150 Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
$314.39
Out of stock
BKF AR15 16″ 300 Blk 1/7 Twist 4150 Barrel W/ 13.5″ FFSSR M-LOK Rail
Rated 4.50 out of 5
$314.75
6 in stock
BKF M4 MOD-0 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Hybrid M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 4.67 out of 5
$323.59
4 in stock
BKF M4 MOD-0 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
$323.59
5 in stock
BKF M4 MOD-0 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 9.875″ FFSSR M-LOK Handguard W/ KAK Flash Can (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
$323.59
Out of stock
BKF M4 MOD-0 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 11.5″ FFSSR M-LOK Handguard W/ KAK Flash Can (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
$323.59
Out of stock
BKF M4 MOD-0 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Hybrid M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
$323.59
5 in stock
BKF M4 MOD-0 6″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Hybrid M-LOK Rail W/ KAK Flash Can (BKF W/ Pinned Gas Block)
Rated 4.75 out of 5
$323.59
4 in stock
BKF AR15 16″ 300 BLK Heavy 1/7 Twist Barrel W/ 17.5″ FFSSR M-LOK Rail W/ KAK Flash Can
Rated 4.89 out of 5
$330.75
Out of stock
BKF M4 MOD-0 10.5″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.875″ FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 4.86 out of 5
$350.52
Out of stock
BKF M4 MOD-0 8″ 300 BLK Pistol Length Nitrided Barrel W/ 7″ M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
$359.99
10 in stock
BKF M4 MOD-0 9″ 300 BLK Pistol Length Nitrided Barrel W/ 8″ M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
$363.99
15 in stock
BKF M4 MOD-0 10″ 300 BLK Pistol Length Nitrided Barrel W/ 9″ M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 4.00 out of 5
$363.99
17 in stock
BKF AR15 10.5″ 300 BLK 1/8 Twist Nitrided Gunner Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can (Faxon)
Rated 5.00 out of 5
$399.99
Out of stock
BKF M4 MOD-1 8″ 300 BLK Pistol Length Nitrided Barrel W/ 7″ M-LOK Handguard (BKF W/ Pinned Gas Block)
$407.99
4 in stock
BKF M4 MOD-1 6″ 300 BLK Pistol Length Nitrided Barrel W/ 7″ M-LOK Handguard (BKF W/ Pinned Gas Block)
$407.99
4 in stock
BKF M4 MOD-1 9″ 300 BLK Pistol Length Nitrided Barrel W/ 8″ M-LOK Handguard (BKF W/ Pinned Gas Block)
$407.99
6 in stock
BKF M4 MOD-1 10″ 300 BLK Pistol Length Nitrided Barrel W/ 9″ M-LOK Handguard (BKF W/ Pinned Gas Block)
$407.99
9 in stock
BKF M4 MOD-1 8″ 300 BLK Pistol Length Nitrided Barrel W/ 9″ M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
$416.49
4 in stock
BKF AR15 10.5″ 300 BLK Pistol length 1/7 Twist Barrel W/ 9.875″ FFSSR M-LOK Handguard (Ballistic Advantage)
Rated 5.00 out of 5
$418.74
Out of stock
BKF M4 MOD-1 10″ 300 BLK Pistol Length Nitrided Barrel W/ 11″ M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
$424.99
2 in stock
BKF M4 MOD-1 9″ 300 BLK Pistol Length Nitrided Barrel W/ 11″ M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5.00 out of 5
$424.99
9 in stock
BKF AR15 10″ 300 BLK 1/7 Twist 4150 Barrel W/ 11.5″ FFSSR M-LOK Rail W/ KAK Flash Can (Ballistic Advantage)
Rated 5.00 out of 5
$431.24
Out of stock
BKF AR15 16″ Govt 300 BLK Pistol length 1/7 Twist Barrel W/ 13.5″ FFSSR Handguard (Ballistic Advantage)
Rated 5.00 out of 5
$437.49
2 in stock
BKF AR15 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
Rated 5.00 out of 5
$443.74
2 in stock
BKF AR15 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 7.25″ Slim Hybrid M-LOK Handguard (Ballistic Advantage)
Rated 5.00 out of 5
$443.74
Out of stock
BKF M4 MOD-1 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 10.5″ Midwest SP Handguard (Suppressor Ready)
Rated 5.00 out of 5
$478.97
3 in stock
BKF M4 MOD-1 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 10.5″ Midwest SP Handguard (Suppressor Ready)
$478.97
Out of stock
BKF M4 MOD-0 10″ 300 BLK Pistol length 1/7 Twist Barrel w/ 9.3″ Geissele MK13 Handguard (BKF W/ Pinned Gas Block)
$479.99
Out of stock
BKF M4 MOD-0 10″ 300 BLK Pistol length 1/7 Twist Barrel w/ 9.3″ Geissele MK14 Handguard (BKF W/ Pinned Gas Block)
$479.99
Out of stock
BKF M4 MOD-1 8″ 300 BLK Pistol length 1/7 Twist Barrel w/ 12.625″ Midwest SP Handguard (Suppressor Ready)
$488.74
1 in stock
BKF M4 MOD-1 9″ 300 BLK Pistol length 1/7 Twist Barrel w/ 12.625″ Midwest SP Handguard (Suppressor Ready)
$488.74
1 in stock
BKF M4 MOD-1 10″ 300 BLK Pistol length 1/7 Twist Barrel w/ 12.625″ Midwest SP Handguard (Suppressor Ready)
Rated 4.00 out of 5
$488.74
1 in stock
BKF M4 MOD-1 10″ 300 BLK Pistol length 1/7 Twist Barrel w/ 15″ Midwest SP Handguard (Suppressor Ready)
$488.74
Out of stock

B. King’s Firearms

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Top Rated Products

Parallax Tactical 13.5" M-LOK Gen 3 Slim Handguard
Rated 4.78 out of 5
$145.99
Parallax Tactical 13.5" M-LOK Gen 3 Slim Handguard (10 Pack) $700.00
Parallax Tactical 15" M-LOK Gen 3 Slim Handguard
Rated 4.80 out of 5
$149.99
Parallax Tactical 15" M-LOK Gen 3 Slim Handguard (10 Pack) $750.00
Parallax Tactical 9.25" M-LOK Gen 3 Slim Handguard
Rated 4.89 out of 5
$134.99

Recent Reviews

BKF M4 MOD-0 12.5" 5.56 Govt Profile Carbine Length 4150 CMV 1/7 Twist Barrel W/ FSB (No Handguard)
Rated 5 out of 5
by Aaron Johnston
BKF M4 MOD-0 Assembled Upper Receiver - Black (Light T-Marks)
Rated 5 out of 5
by Anonymous
BKF M4 MOD-0 Govt 12.5" 5.56 Nato Carbine length 1/7 Twist Barrel W/ 11.5" FFSSR M-LOK Handguard (BKF W/ Pinned Gas Block)
Rated 5 out of 5
by Chris Twaddle

Contact Us

B. King's Firearms © 2022. All Rights Reserved.

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Privacy Policy:

B .King's Firearms, Training and Retail LLC is a registered business in state of Ohio. What follows is the online privacy policy of B .King's Firearms, Training and Retail LLC, which governs personal information gathered on its Internet site, www.bkingsfirearms.com, in general and other registration forms related to training classes and store purchased offered by B .King's Firearms, Training and Retail LLC, as may be included on our Internet site, specifically.

Commitment to Online Security:

Physical, electronic and managerial procedures have been employed to safeguard the security and integrity of all personal information. B .King's Firearms, Training and Retail LLC encrypts billing information wherever such information is requested. No agents or contractors of B .King's Firearms, Training and Retail LLC have access to personal information obtained on the B .King's Firearms, Training and Retail LLC Web site.

Personal information that B .King's Firearms, Training and Retail LLC may collect online:

B .King's Firearms, Training and Retail LLC collects personal information online, including, but not limited to, names, birth dates, driver’s license (or State issued identification) numbers, postal and e-mail addresses, phone numbers, and billing information. B .King's Firearms, Training and Retail LLC does not knowingly collect or maintain any personal information from children under the age of 17. In addition, no parts of our sites are designed with the purpose of attracting any person under the age of 17.

How B .King's Firearms, Training and Retail LLC Uses Personal Information Collected Online:

Unless you otherwise consent, we will use your personal information only for the purpose for which it is submitted, such as to reply to your emails and process billing requests related to services and products to which we provide.

At certain points where personal information is collected on our site, there may be a box where you may indicate you would like to be on a mailing list to receive information about B .King's Firearms, Training and Retail LLCother programs and services and articles of interest relating to firearms, shooting, or general products. At any time you can add or remove your name from a B .King's Firearms, Training and Retail LLClist by contacting us at:

[email protected]
Subject: unsubscribe

How Your Information May Be Shared:

We never sell or rent your personal information. B .King's Firearms, Training and Retail LLCmay, however, release personal information under the following circumstances:

Where release is required by law (for example, a subpoena) or regulation or is requested by a government agency;

Where our records indicate an individual may be engaged in fraudulent activity or other deceptive practices that a governmental agency should be made aware of;

To appropriate persons, where your communication suggests possible harm to others.

Computer Tracking and Cookies:

Our Web sites are not set up to track, collect or distribute personal information not entered by visitors. Our site logs do generate certain kinds of non-identifying site usage data, such as the number of hits and visits to our sites. This information is used for internal purposes by technical support staff to provide better services to the public and may also be provided to others, but again, the statistics contain no personal information and cannot be used to gather such information.

Problems or Complaints with B .King's Firearms, Training and Retail LLC Privacy Policy:

If you have a concern or complaint about B .King's Firearms, Training and Retail LLC compliance with this privacy policy, please direct it to [email protected]

RETURN POLICY:

There is a restocking fee of 8% if the order is cancelled and refunded to your CC or we can offer 100% in store credit. Once the item has left our store the restocking fee is 15%. For Refund you must pay the shipping back. Item's that are not 100% same condition will be reviewed by the Owner for refund % if we accept the return.

Our products are covered by manufactures warranties 100%, with that being said if we find you have a manufactures defect with your product you would contact them directly for repair or replacement. You have 7 days from when the product is delivered to your door or picked up from your FFL to report any defects or problems to us. IE...We will not except a return if you report a tiny scratch when your order was delivered two months earlier...

There will be a 30% restocking fee on all controlled items returned because of failed background checks.