May 13th is the birthday of firearms engineer Theodor Koch (born 1905, died 1976.) Koch, along with Edmund Heckler and Alex Seidel salvaged tooling from the bombed-out Mauser factory at Oberndorf, and with it founded Heckler und Koch .
SurvivalBlog Writing Contest
Today we present another entry for Round 100 of the SurvivalBlog non-fiction writing contest . The prizes for this round include:
- The photovoltaic power specialists at Quantum Harvest LLC are providing a store-wide 10% off coupon . Depending on the model chosen, this could be worth more than $2000.
- A Gunsite Academy Three Day Course Certificate. This can be used for any of their one, two, or three-day course  (a $1,095 value),
- A course certificate from onPoint Tactical for the prize winner’s choice of three-day civilian courses , excluding those restricted for military or government teams. Three-day onPoint courses normally cost $795,
- Two cases of Mountain House freeze-dried assorted entrees  in #10 cans, courtesy of Ready Made Resources (a $350 value),
- A $250 gift certificate good for any product  from Sunflower Ammo,
- American Gunsmithing Institute (AGI) is providing a $300 certificate good towards any of their DVD training courses .
- Two sets of The Civil Defense Manual,  (in two volumes) — a $193 value — kindly donated by the author, Jack Lawson.
- A Front Sight Lifetime Diamond Membership, providing lifetime free training at any Front Sight Nevada course, with no limit on repeating classes. This prize is courtesy of a SurvivalBlog reader who prefers to be anonymous.
- A SIRT STIC AR-15/M4 Laser Training Package, courtesy of Next Level Training, that has a combined retail value of $679
- Two 1,000-foot spools of full mil-spec U.S.-made 750 paracord  (in-stock colors only) from www.TOUGHGRID.com (a $240 value).
- Two Super Survival Pack seed collections , a $150 value, courtesy of Seed for Security, LLC,
- A transferable $150 FRN purchase credit from Elk Creek Company , toward the purchase of any pre-1899 antique gun. There is no paperwork required for delivery of pre-1899 guns into most states, making them the last bastion of firearms purchasing privacy!
- Three sets each  of made-in-USA regular and wide-mouth reusable canning lids. (This is a total of 300 lids and 600 gaskets.) This prize is courtesy of Harvest Guard (a $270 value)
- A Royal Berkey water filter, courtesy of  Directive 21 (a $275 value),
- A LogOX 3-in-1 Forestry MultiTool  (a $189 value) and a WoodOx Sling  (a $79.95 value), courtesy of LogOx , both made in USA.
- A transferable $100 FRN purchase credit from Elk Creek Company , toward the purchase of any pre-1899 antique gun.
More than $725,000 worth of prizes have been awarded since we started running this contest. Round 100 ends on May 31st, so get busy writing and e-mail  us your entry. Remember that there is a 1,500-word minimum, and that articles on practical “how-to” skills for survival have an advantage in the judging