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Top Sellers

6MM BR Norma LAPUA Reloading Brass (100)
6MM BR Norma LAPUA Reloading Brass (100)
$129.99 Original price $121.99
6.5mm 130 Grain BERGER Match AR HYBRID OTM TACTICAL (500)
6.5mm 130 Grain BERGER Match AR HYBRID OTM TACTICAL (500)
$269.99 Original price $253.99
BERGER 6MM 109 GRAIN LONG RANGE HYBRID TARGET (500ct)
BERGER 6MM 109 GRAIN LONG RANGE HYBRID TARGET (500ct)
$252.16

New Releases

Swarovski OPTIK Z5i 2-10x42 BT BRW RETICLE
Swarovski OPTIK Z5i 2-10x42 BT BRW RETICLE
$1,749.00
Hornady 6 MM 110gn  ATIP MATCH 500
Hornady 6 MM 110gn ATIP MATCH 500
$381.45 Original price $350.99
LAPUA 6MM DASHER BRASS 100 CT (COPY)
LAPUA 6MM DASHER BRASS 100 CT (COPY)
$185.00
TIMNEY RUGER AMERICAN GEN II 642C
TIMNEY RUGER AMERICAN GEN II 642C
$169.99
ACTION SCREWS OTM BOTTOM METAL
ACTION SCREWS OTM BOTTOM METAL
Free Shipping
$15.00

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BOTTOM METAL

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TS Custom Long Action Extended Mag Box
TS Custom Long Action Extended Mag Box
$24.00
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Bottom Metal Rifle Parts

Get info on BDL Bottom Metal, DBM Bottom Metal, and in letting to convert your rifle.

On The Mark brings you the best rifle parts and accessories on the market, including premium bottom metal systems. Upgrade and customize your rifle with new BDL bottom metal or convert it to use a detachable box magazine. Shop with us today and enjoy our unbeatable competitive prices on the products you love.


We have bottom metal upgrades for long and short action rifles manufactured by respected names like KMW, BAT, American Precision, Hawkins Precision, Surgeon, and Remington. We also have short and long action magazine springs, magazine boxes, and BAT machine action screws. Whatever you are in the market for, we have the perfect set of products and supplies for you.


In our mission to provide you with only the best precision rifle parts, we stock only quality designs that won't open under recoil or cause accidental grazing between shots. Some rifles will require letting to install new bottom metal. 

We are glad to have you here at On the Mark. With our commitment to customer satisfaction, we offer impeccable customer support. 

Feel free to contact OTM Tactical with questions, comments, or concerns. Our expert team will be more than happy to give you the information you need. We appreciate your business, and we can't wait to serve you again. 

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OTM ships to lower 48 states for a flat rate of $9.99
(MAXIMUM OF 20 POUNDS UNDER ONE SHIPPING CHARGE), excluding Hazmat.
Shipping to Alaska & Hawaii will be charged at carrier cost.
No International Orders.

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If you try to make duplicate orders or place the order under someone we reserve the right to cancel any orders after your first.
To prevent an item from overselling we recommend customers place all orders online.
This will guarantee that our website updates in a timely manner.
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Please select the “Join Waitlist” button on the product page and enter your email address.  
You will be notified when that specific product comes back in stock via email.
We reserve the right to place product limitations on certain items to allow all our customers the chance to have fair access to items that are in limited supply.



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